Home / 28,011.68-38,657.64-16,074.92

Finding the Fourth Proportional to 28,011.68, 38,657.64 and 16,074.92

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Solution

The fourth proportional to 28,011.68, 38,657.64 and 16,074.92 is: 22,184.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,011.68 : 38,657.64 = 16,074.92 : x
  2. Step 2: Convert to fraction form
    28,011.68/38,657.64 = 16,074.92/x
  3. Step 3: Cross multiply
    28,011.68x = 38,657.64 × 16,074.92
  4. Step 4: Simplify right side
    28,011.68x = 621,418,470.39
  5. Step 5: Solve for x
    x = 621,418,470.39/28,011.68
  6. Step 6: Final answer
    x = 22,184.26

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Double scale
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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.