Home / 28,753.43-39,680.87-16,007.18

Finding the Fourth Proportional to 28,753.43, 39,680.87 and 16,007.18

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Solution

The fourth proportional to 28,753.43, 39,680.87 and 16,007.18 is: 22,090.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,753.43 : 39,680.87 = 16,007.18 : x
  2. Step 2: Convert to fraction form
    28,753.43/39,680.87 = 16,007.18/x
  3. Step 3: Cross multiply
    28,753.43x = 39,680.87 × 16,007.18
  4. Step 4: Simplify right side
    28,753.43x = 635,178,550.21
  5. Step 5: Solve for x
    x = 635,178,550.21/28,753.43
  6. Step 6: Final answer
    x = 22,090.54

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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.