Home / 22,938.17-31,652.80-12,865.23

Finding the Fourth Proportional to 22,938.17, 31,652.80 and 12,865.23

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Solution

The fourth proportional to 22,938.17, 31,652.80 and 12,865.23 is: 17,752.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,938.17 : 31,652.80 = 12,865.23 : x
  2. Step 2: Convert to fraction form
    22,938.17/31,652.80 = 12,865.23/x
  3. Step 3: Cross multiply
    22,938.17x = 31,652.80 × 12,865.23
  4. Step 4: Simplify right side
    22,938.17x = 407,220,519.98
  5. Step 5: Solve for x
    x = 407,220,519.98/22,938.17
  6. Step 6: Final answer
    x = 17,752.97

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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.