Home / 42,175.68-63,266.22-15,528.84

Finding the Fourth Proportional to 42,175.68, 63,266.22 and 15,528.84

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Solution

The fourth proportional to 42,175.68, 63,266.22 and 15,528.84 is: 23,294.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,175.68 : 63,266.22 = 15,528.84 : x
  2. Step 2: Convert to fraction form
    42,175.68/63,266.22 = 15,528.84/x
  3. Step 3: Cross multiply
    42,175.68x = 63,266.22 × 15,528.84
  4. Step 4: Simplify right side
    42,175.68x = 982,451,007.78
  5. Step 5: Solve for x
    x = 982,451,007.78/42,175.68
  6. Step 6: Final answer
    x = 23,294.25

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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.