Home / 28,000.62-42,003.36-9,275.04

Finding the Fourth Proportional to 28,000.62, 42,003.36 and 9,275.04

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Solution

The fourth proportional to 28,000.62, 42,003.36 and 9,275.04 is: 13,913.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,000.62 : 42,003.36 = 9,275.04 : x
  2. Step 2: Convert to fraction form
    28,000.62/42,003.36 = 9,275.04/x
  3. Step 3: Cross multiply
    28,000.62x = 42,003.36 × 9,275.04
  4. Step 4: Simplify right side
    28,000.62x = 389,582,844.13
  5. Step 5: Solve for x
    x = 389,582,844.13/28,000.62
  6. Step 6: Final answer
    x = 13,913.36

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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.