Home / 28,283.88-42,354.18-17,032.20

Finding the Fourth Proportional to 28,283.88, 42,354.18 and 17,032.20

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Solution

The fourth proportional to 28,283.88, 42,354.18 and 17,032.20 is: 25,505.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,283.88 : 42,354.18 = 17,032.20 : x
  2. Step 2: Convert to fraction form
    28,283.88/42,354.18 = 17,032.20/x
  3. Step 3: Cross multiply
    28,283.88x = 42,354.18 × 17,032.20
  4. Step 4: Simplify right side
    28,283.88x = 721,384,864.60
  5. Step 5: Solve for x
    x = 721,384,864.60/28,283.88
  6. Step 6: Final answer
    x = 25,505.16

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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.