Home / 38,470.65-57,671.15-15,090.81

Finding the Fourth Proportional to 38,470.65, 57,671.15 and 15,090.81

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Solution

The fourth proportional to 38,470.65, 57,671.15 and 15,090.81 is: 22,622.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,470.65 : 57,671.15 = 15,090.81 : x
  2. Step 2: Convert to fraction form
    38,470.65/57,671.15 = 15,090.81/x
  3. Step 3: Cross multiply
    38,470.65x = 57,671.15 × 15,090.81
  4. Step 4: Simplify right side
    38,470.65x = 870,304,291.68
  5. Step 5: Solve for x
    x = 870,304,291.68/38,470.65
  6. Step 6: Final answer
    x = 22,622.55

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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.