Home / 23,515.20-35,272.08-7,931.52

Finding the Fourth Proportional to 23,515.20, 35,272.08 and 7,931.52

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Solution

The fourth proportional to 23,515.20, 35,272.08 and 7,931.52 is: 11,897.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,515.20 : 35,272.08 = 7,931.52 : x
  2. Step 2: Convert to fraction form
    23,515.20/35,272.08 = 7,931.52/x
  3. Step 3: Cross multiply
    23,515.20x = 35,272.08 × 7,931.52
  4. Step 4: Simplify right side
    23,515.20x = 279,761,207.96
  5. Step 5: Solve for x
    x = 279,761,207.96/23,515.20
  6. Step 6: Final answer
    x = 11,897.04

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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.