Home / 22,524.72-31,084.08-12,965.28

Finding the Fourth Proportional to 22,524.72, 31,084.08 and 12,965.28

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Solution

The fourth proportional to 22,524.72, 31,084.08 and 12,965.28 is: 17,892.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,524.72 : 31,084.08 = 12,965.28 : x
  2. Step 2: Convert to fraction form
    22,524.72/31,084.08 = 12,965.28/x
  3. Step 3: Cross multiply
    22,524.72x = 31,084.08 × 12,965.28
  4. Step 4: Simplify right side
    22,524.72x = 403,013,800.74
  5. Step 5: Solve for x
    x = 403,013,800.74/22,524.72
  6. Step 6: Final answer
    x = 17,892.07

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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.