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Finding the Fourth Proportional to 38,772, 58,111.04 and 17,683.14

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Solution

The fourth proportional to 38,772, 58,111.04 and 17,683.14 is: 26,503.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,772 : 58,111.04 = 17,683.14 : x
  2. Step 2: Convert to fraction form
    38,772/58,111.04 = 17,683.14/x
  3. Step 3: Cross multiply
    38,772x = 58,111.04 × 17,683.14
  4. Step 4: Simplify right side
    38,772x = 1,027,585,655.87
  5. Step 5: Solve for x
    x = 1,027,585,655.87/38,772
  6. Step 6: Final answer
    x = 26,503.29

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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.