Home / 22,568.06-31,121.08-15,004.70

Finding the Fourth Proportional to 22,568.06, 31,121.08 and 15,004.70

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Solution

The fourth proportional to 22,568.06, 31,121.08 and 15,004.70 is: 20,691.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,568.06 : 31,121.08 = 15,004.70 : x
  2. Step 2: Convert to fraction form
    22,568.06/31,121.08 = 15,004.70/x
  3. Step 3: Cross multiply
    22,568.06x = 31,121.08 × 15,004.70
  4. Step 4: Simplify right side
    22,568.06x = 466,962,275.96
  5. Step 5: Solve for x
    x = 466,962,275.96/22,568.06
  6. Step 6: Final answer
    x = 20,691.29

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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.