Home / 28,478.48-42,717.73-22,229.13

Finding the Fourth Proportional to 28,478.48, 42,717.73 and 22,229.13

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Solution

The fourth proportional to 28,478.48, 42,717.73 and 22,229.13 is: 33,343.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,478.48 : 42,717.73 = 22,229.13 : x
  2. Step 2: Convert to fraction form
    28,478.48/42,717.73 = 22,229.13/x
  3. Step 3: Cross multiply
    28,478.48x = 42,717.73 × 22,229.13
  4. Step 4: Simplify right side
    28,478.48x = 949,577,973.47
  5. Step 5: Solve for x
    x = 949,577,973.47/28,478.48
  6. Step 6: Final answer
    x = 33,343.70

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.