Home / 23,488.20-35,235.36-7,687.80

Finding the Fourth Proportional to 23,488.20, 35,235.36 and 7,687.80

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Solution

The fourth proportional to 23,488.20, 35,235.36 and 7,687.80 is: 11,532.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,488.20 : 35,235.36 = 7,687.80 : x
  2. Step 2: Convert to fraction form
    23,488.20/35,235.36 = 7,687.80/x
  3. Step 3: Cross multiply
    23,488.20x = 35,235.36 × 7,687.80
  4. Step 4: Simplify right side
    23,488.20x = 270,882,400.61
  5. Step 5: Solve for x
    x = 270,882,400.61/23,488.20
  6. Step 6: Final answer
    x = 11,532.70

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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.