Home / 25,780.08-38,657.52-10,985.52

Finding the Fourth Proportional to 25,780.08, 38,657.52 and 10,985.52

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Solution

The fourth proportional to 25,780.08, 38,657.52 and 10,985.52 is: 16,472.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,780.08 : 38,657.52 = 10,985.52 : x
  2. Step 2: Convert to fraction form
    25,780.08/38,657.52 = 10,985.52/x
  3. Step 3: Cross multiply
    25,780.08x = 38,657.52 × 10,985.52
  4. Step 4: Simplify right side
    25,780.08x = 424,672,959.11
  5. Step 5: Solve for x
    x = 424,672,959.11/25,780.08
  6. Step 6: Final answer
    x = 16,472.91

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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.