Home / 22,988.70-31,723.92-13,560.30

Finding the Fourth Proportional to 22,988.70, 31,723.92 and 13,560.30

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Solution

The fourth proportional to 22,988.70, 31,723.92 and 13,560.30 is: 18,712.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,988.70 : 31,723.92 = 13,560.30 : x
  2. Step 2: Convert to fraction form
    22,988.70/31,723.92 = 13,560.30/x
  3. Step 3: Cross multiply
    22,988.70x = 31,723.92 × 13,560.30
  4. Step 4: Simplify right side
    22,988.70x = 430,185,872.38
  5. Step 5: Solve for x
    x = 430,185,872.38/22,988.70
  6. Step 6: Final answer
    x = 18,712.93

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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.