Home / 28,398.65-39,190.16-16,468.92

Finding the Fourth Proportional to 28,398.65, 39,190.16 and 16,468.92

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Solution

The fourth proportional to 28,398.65, 39,190.16 and 16,468.92 is: 22,727.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,398.65 : 39,190.16 = 16,468.92 : x
  2. Step 2: Convert to fraction form
    28,398.65/39,190.16 = 16,468.92/x
  3. Step 3: Cross multiply
    28,398.65x = 39,190.16 × 16,468.92
  4. Step 4: Simplify right side
    28,398.65x = 645,419,651.00
  5. Step 5: Solve for x
    x = 645,419,651.00/28,398.65
  6. Step 6: Final answer
    x = 22,727.13

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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.