Home / 28,167.36-42,230.28-17,071.44

Finding the Fourth Proportional to 28,167.36, 42,230.28 and 17,071.44

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Solution

The fourth proportional to 28,167.36, 42,230.28 and 17,071.44 is: 25,594.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,167.36 : 42,230.28 = 17,071.44 : x
  2. Step 2: Convert to fraction form
    28,167.36/42,230.28 = 17,071.44/x
  3. Step 3: Cross multiply
    28,167.36x = 42,230.28 × 17,071.44
  4. Step 4: Simplify right side
    28,167.36x = 720,931,691.20
  5. Step 5: Solve for x
    x = 720,931,691.20/28,167.36
  6. Step 6: Final answer
    x = 25,594.58

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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.