Home / 38,207.52-57,309.84-15,717.36

Finding the Fourth Proportional to 38,207.52, 57,309.84 and 15,717.36

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Solution

The fourth proportional to 38,207.52, 57,309.84 and 15,717.36 is: 23,575.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,207.52 : 57,309.84 = 15,717.36 : x
  2. Step 2: Convert to fraction form
    38,207.52/57,309.84 = 15,717.36/x
  3. Step 3: Cross multiply
    38,207.52x = 57,309.84 × 15,717.36
  4. Step 4: Simplify right side
    38,207.52x = 900,759,386.82
  5. Step 5: Solve for x
    x = 900,759,386.82/38,207.52
  6. Step 6: Final answer
    x = 23,575.45

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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.