Home / 28,882.68-39,880.62-22,612.92

Finding the Fourth Proportional to 28,882.68, 39,880.62 and 22,612.92

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Solution

The fourth proportional to 28,882.68, 39,880.62 and 22,612.92 is: 31,223.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,882.68 : 39,880.62 = 22,612.92 : x
  2. Step 2: Convert to fraction form
    28,882.68/39,880.62 = 22,612.92/x
  3. Step 3: Cross multiply
    28,882.68x = 39,880.62 × 22,612.92
  4. Step 4: Simplify right side
    28,882.68x = 901,817,269.61
  5. Step 5: Solve for x
    x = 901,817,269.61/28,882.68
  6. Step 6: Final answer
    x = 31,223.46

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Half scale
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Double scale
Find fourth proportional to 28,883.68, 39,882 and 22,613.92
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.