Home / 28,398.48-39,190.06-16,468.90

Finding the Fourth Proportional to 28,398.48, 39,190.06 and 16,468.90

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Solution

The fourth proportional to 28,398.48, 39,190.06 and 16,468.90 is: 22,727.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,398.48 : 39,190.06 = 16,468.90 : x
  2. Step 2: Convert to fraction form
    28,398.48/39,190.06 = 16,468.90/x
  3. Step 3: Cross multiply
    28,398.48x = 39,190.06 × 16,468.90
  4. Step 4: Simplify right side
    28,398.48x = 645,417,179.13
  5. Step 5: Solve for x
    x = 645,417,179.13/28,398.48
  6. Step 6: Final answer
    x = 22,727.17

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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.