Home / 38,142.54-57,225.02-17,077.91

Finding the Fourth Proportional to 38,142.54, 57,225.02 and 17,077.91

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Solution

The fourth proportional to 38,142.54, 57,225.02 and 17,077.91 is: 25,621.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,142.54 : 57,225.02 = 17,077.91 : x
  2. Step 2: Convert to fraction form
    38,142.54/57,225.02 = 17,077.91/x
  3. Step 3: Cross multiply
    38,142.54x = 57,225.02 × 17,077.91
  4. Step 4: Simplify right side
    38,142.54x = 977,283,369.79
  5. Step 5: Solve for x
    x = 977,283,369.79/38,142.54
  6. Step 6: Final answer
    x = 25,621.87

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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.