Home / 38,567.52-57,855.84-13,602.36

Finding the Fourth Proportional to 38,567.52, 57,855.84 and 13,602.36

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Solution

The fourth proportional to 38,567.52, 57,855.84 and 13,602.36 is: 20,405.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,567.52 : 57,855.84 = 13,602.36 : x
  2. Step 2: Convert to fraction form
    38,567.52/57,855.84 = 13,602.36/x
  3. Step 3: Cross multiply
    38,567.52x = 57,855.84 × 13,602.36
  4. Step 4: Simplify right side
    38,567.52x = 786,975,963.78
  5. Step 5: Solve for x
    x = 786,975,963.78/38,567.52
  6. Step 6: Final answer
    x = 20,405.15

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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.