Home / 38,640.46-57,981.21-15,267.10

Finding the Fourth Proportional to 38,640.46, 57,981.21 and 15,267.10

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Solution

The fourth proportional to 38,640.46, 57,981.21 and 15,267.10 is: 22,908.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,640.46 : 57,981.21 = 15,267.10 : x
  2. Step 2: Convert to fraction form
    38,640.46/57,981.21 = 15,267.10/x
  3. Step 3: Cross multiply
    38,640.46x = 57,981.21 × 15,267.10
  4. Step 4: Simplify right side
    38,640.46x = 885,204,931.19
  5. Step 5: Solve for x
    x = 885,204,931.19/38,640.46
  6. Step 6: Final answer
    x = 22,908.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.