Home / 28,540.02-42,805.17-7,763.52

Finding the Fourth Proportional to 28,540.02, 42,805.17 and 7,763.52

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Solution

The fourth proportional to 28,540.02, 42,805.17 and 7,763.52 is: 11,643.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,540.02 : 42,805.17 = 7,763.52 : x
  2. Step 2: Convert to fraction form
    28,540.02/42,805.17 = 7,763.52/x
  3. Step 3: Cross multiply
    28,540.02x = 42,805.17 × 7,763.52
  4. Step 4: Simplify right side
    28,540.02x = 332,318,793.40
  5. Step 5: Solve for x
    x = 332,318,793.40/28,540.02
  6. Step 6: Final answer
    x = 11,643.96

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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.