Home / 25,729.20-38,565.65-13,249.98

Finding the Fourth Proportional to 25,729.20, 38,565.65 and 13,249.98

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Solution

The fourth proportional to 25,729.20, 38,565.65 and 13,249.98 is: 19,860.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,729.20 : 38,565.65 = 13,249.98 : x
  2. Step 2: Convert to fraction form
    25,729.20/38,565.65 = 13,249.98/x
  3. Step 3: Cross multiply
    25,729.20x = 38,565.65 × 13,249.98
  4. Step 4: Simplify right side
    25,729.20x = 510,994,024.94
  5. Step 5: Solve for x
    x = 510,994,024.94/25,729.20
  6. Step 6: Final answer
    x = 19,860.47

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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.