Home / 25,560.04-38,339.72-8,919.76

Finding the Fourth Proportional to 25,560.04, 38,339.72 and 8,919.76

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Solution

The fourth proportional to 25,560.04, 38,339.72 and 8,919.76 is: 13,379.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,560.04 : 38,339.72 = 8,919.76 : x
  2. Step 2: Convert to fraction form
    25,560.04/38,339.72 = 8,919.76/x
  3. Step 3: Cross multiply
    25,560.04x = 38,339.72 × 8,919.76
  4. Step 4: Simplify right side
    25,560.04x = 341,981,100.87
  5. Step 5: Solve for x
    x = 341,981,100.87/25,560.04
  6. Step 6: Final answer
    x = 13,379.52

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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.