Home / 18,887.29-28,443.38-16,451.53

Finding the Fourth Proportional to 18,887.29, 28,443.38 and 16,451.53

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Solution

The fourth proportional to 18,887.29, 28,443.38 and 16,451.53 is: 24,775.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887.29 : 28,443.38 = 16,451.53 : x
  2. Step 2: Convert to fraction form
    18,887.29/28,443.38 = 16,451.53/x
  3. Step 3: Cross multiply
    18,887.29x = 28,443.38 × 16,451.53
  4. Step 4: Simplify right side
    18,887.29x = 467,936,966.01
  5. Step 5: Solve for x
    x = 467,936,966.01/18,887.29
  6. Step 6: Final answer
    x = 24,775.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.