Home / 24,985.04-34,499.21-15,438.78

Finding the Fourth Proportional to 24,985.04, 34,499.21 and 15,438.78

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Solution

The fourth proportional to 24,985.04, 34,499.21 and 15,438.78 is: 21,317.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,985.04 : 34,499.21 = 15,438.78 : x
  2. Step 2: Convert to fraction form
    24,985.04/34,499.21 = 15,438.78/x
  3. Step 3: Cross multiply
    24,985.04x = 34,499.21 × 15,438.78
  4. Step 4: Simplify right side
    24,985.04x = 532,625,636.17
  5. Step 5: Solve for x
    x = 532,625,636.17/24,985.04
  6. Step 6: Final answer
    x = 21,317.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.