Home / 25,379.60-38,080.40-10,591.44

Finding the Fourth Proportional to 25,379.60, 38,080.40 and 10,591.44

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Solution

The fourth proportional to 25,379.60, 38,080.40 and 10,591.44 is: 15,891.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,379.60 : 38,080.40 = 10,591.44 : x
  2. Step 2: Convert to fraction form
    25,379.60/38,080.40 = 10,591.44/x
  3. Step 3: Cross multiply
    25,379.60x = 38,080.40 × 10,591.44
  4. Step 4: Simplify right side
    25,379.60x = 403,326,271.78
  5. Step 5: Solve for x
    x = 403,326,271.78/25,379.60
  6. Step 6: Final answer
    x = 15,891.75

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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.