Home / 22,727.17-31,363.53-12,657.55

Finding the Fourth Proportional to 22,727.17, 31,363.53 and 12,657.55

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Solution

The fourth proportional to 22,727.17, 31,363.53 and 12,657.55 is: 17,467.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,727.17 : 31,363.53 = 12,657.55 : x
  2. Step 2: Convert to fraction form
    22,727.17/31,363.53 = 12,657.55/x
  3. Step 3: Cross multiply
    22,727.17x = 31,363.53 × 12,657.55
  4. Step 4: Simplify right side
    22,727.17x = 396,985,229.05
  5. Step 5: Solve for x
    x = 396,985,229.05/22,727.17
  6. Step 6: Final answer
    x = 17,467.43

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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.