Home / 25,559.20-38,338.80-8,030.80

Finding the Fourth Proportional to 25,559.20, 38,338.80 and 8,030.80

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Solution

The fourth proportional to 25,559.20, 38,338.80 and 8,030.80 is: 12,046.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,559.20 : 38,338.80 = 8,030.80 : x
  2. Step 2: Convert to fraction form
    25,559.20/38,338.80 = 8,030.80/x
  3. Step 3: Cross multiply
    25,559.20x = 38,338.80 × 8,030.80
  4. Step 4: Simplify right side
    25,559.20x = 307,891,235.04
  5. Step 5: Solve for x
    x = 307,891,235.04/25,559.20
  6. Step 6: Final answer
    x = 12,046.20

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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.