Home / 38,390.64-57,551.76-15,033.36

Finding the Fourth Proportional to 38,390.64, 57,551.76 and 15,033.36

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Solution

The fourth proportional to 38,390.64, 57,551.76 and 15,033.36 is: 22,536.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,390.64 : 57,551.76 = 15,033.36 : x
  2. Step 2: Convert to fraction form
    38,390.64/57,551.76 = 15,033.36/x
  3. Step 3: Cross multiply
    38,390.64x = 57,551.76 × 15,033.36
  4. Step 4: Simplify right side
    38,390.64x = 865,196,326.71
  5. Step 5: Solve for x
    x = 865,196,326.71/38,390.64
  6. Step 6: Final answer
    x = 22,536.65

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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.