Home / 28,343.30-42,519.45-9,625.10

Finding the Fourth Proportional to 28,343.30, 42,519.45 and 9,625.10

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Solution

The fourth proportional to 28,343.30, 42,519.45 and 9,625.10 is: 14,439.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,343.30 : 42,519.45 = 9,625.10 : x
  2. Step 2: Convert to fraction form
    28,343.30/42,519.45 = 9,625.10/x
  3. Step 3: Cross multiply
    28,343.30x = 42,519.45 × 9,625.10
  4. Step 4: Simplify right side
    28,343.30x = 409,253,958.20
  5. Step 5: Solve for x
    x = 409,253,958.20/28,343.30
  6. Step 6: Final answer
    x = 14,439.18

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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.