Home / 38,428.74-57,679.05-23,666.46

Finding the Fourth Proportional to 38,428.74, 57,679.05 and 23,666.46

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Solution

The fourth proportional to 38,428.74, 57,679.05 and 23,666.46 is: 35,521.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,428.74 : 57,679.05 = 23,666.46 : x
  2. Step 2: Convert to fraction form
    38,428.74/57,679.05 = 23,666.46/x
  3. Step 3: Cross multiply
    38,428.74x = 57,679.05 × 23,666.46
  4. Step 4: Simplify right side
    38,428.74x = 1,365,058,929.66
  5. Step 5: Solve for x
    x = 1,365,058,929.66/38,428.74
  6. Step 6: Final answer
    x = 35,521.82

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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.