Home / 28,577.21-42,789.02-23,290.61

Finding the Fourth Proportional to 28,577.21, 42,789.02 and 23,290.61

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Solution

The fourth proportional to 28,577.21, 42,789.02 and 23,290.61 is: 34,873.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,577.21 : 42,789.02 = 23,290.61 : x
  2. Step 2: Convert to fraction form
    28,577.21/42,789.02 = 23,290.61/x
  3. Step 3: Cross multiply
    28,577.21x = 42,789.02 × 23,290.61
  4. Step 4: Simplify right side
    28,577.21x = 996,582,046.70
  5. Step 5: Solve for x
    x = 996,582,046.70/28,577.21
  6. Step 6: Final answer
    x = 34,873.32

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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.