Home / 28,088.76-38,764.53-16,155.84

Finding the Fourth Proportional to 28,088.76, 38,764.53 and 16,155.84

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Solution

The fourth proportional to 28,088.76, 38,764.53 and 16,155.84 is: 22,296.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,088.76 : 38,764.53 = 16,155.84 : x
  2. Step 2: Convert to fraction form
    28,088.76/38,764.53 = 16,155.84/x
  3. Step 3: Cross multiply
    28,088.76x = 38,764.53 × 16,155.84
  4. Step 4: Simplify right side
    28,088.76x = 626,273,544.36
  5. Step 5: Solve for x
    x = 626,273,544.36/28,088.76
  6. Step 6: Final answer
    x = 22,296.23

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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.