Home / 25,577.24-38,355.78-12,425.72

Finding the Fourth Proportional to 25,577.24, 38,355.78 and 12,425.72

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Solution

The fourth proportional to 25,577.24, 38,355.78 and 12,425.72 is: 18,633.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,577.24 : 38,355.78 = 12,425.72 : x
  2. Step 2: Convert to fraction form
    25,577.24/38,355.78 = 12,425.72/x
  3. Step 3: Cross multiply
    25,577.24x = 38,355.78 × 12,425.72
  4. Step 4: Simplify right side
    25,577.24x = 476,598,182.66
  5. Step 5: Solve for x
    x = 476,598,182.66/25,577.24
  6. Step 6: Final answer
    x = 18,633.68

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1.5x scale

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.