Home / 25,702.11-38,509.12-17,252.80

Finding the Fourth Proportional to 25,702.11, 38,509.12 and 17,252.80

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Solution

The fourth proportional to 25,702.11, 38,509.12 and 17,252.80 is: 25,849.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,702.11 : 38,509.12 = 17,252.80 : x
  2. Step 2: Convert to fraction form
    25,702.11/38,509.12 = 17,252.80/x
  3. Step 3: Cross multiply
    25,702.11x = 38,509.12 × 17,252.80
  4. Step 4: Simplify right side
    25,702.11x = 664,390,070.83
  5. Step 5: Solve for x
    x = 664,390,070.83/25,702.11
  6. Step 6: Final answer
    x = 25,849.63

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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.