Home / 25,625.13-38,437.94-8,985.57

Finding the Fourth Proportional to 25,625.13, 38,437.94 and 8,985.57

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Solution

The fourth proportional to 25,625.13, 38,437.94 and 8,985.57 is: 13,478.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,625.13 : 38,437.94 = 8,985.57 : x
  2. Step 2: Convert to fraction form
    25,625.13/38,437.94 = 8,985.57/x
  3. Step 3: Cross multiply
    25,625.13x = 38,437.94 × 8,985.57
  4. Step 4: Simplify right side
    25,625.13x = 345,386,678.85
  5. Step 5: Solve for x
    x = 345,386,678.85/25,625.13
  6. Step 6: Final answer
    x = 13,478.44

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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.