Home / 38,457.71-57,707.09-15,084.35

Finding the Fourth Proportional to 38,457.71, 57,707.09 and 15,084.35

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Solution

The fourth proportional to 38,457.71, 57,707.09 and 15,084.35 is: 22,634.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,457.71 : 57,707.09 = 15,084.35 : x
  2. Step 2: Convert to fraction form
    38,457.71/57,707.09 = 15,084.35/x
  3. Step 3: Cross multiply
    38,457.71x = 57,707.09 × 15,084.35
  4. Step 4: Simplify right side
    38,457.71x = 870,473,867.62
  5. Step 5: Solve for x
    x = 870,473,867.62/38,457.71
  6. Step 6: Final answer
    x = 22,634.57

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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.