Home / 28,882.98-43,280.73-21,452.85

Finding the Fourth Proportional to 28,882.98, 43,280.73 and 21,452.85

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Solution

The fourth proportional to 28,882.98, 43,280.73 and 21,452.85 is: 32,146.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,882.98 : 43,280.73 = 21,452.85 : x
  2. Step 2: Convert to fraction form
    28,882.98/43,280.73 = 21,452.85/x
  3. Step 3: Cross multiply
    28,882.98x = 43,280.73 × 21,452.85
  4. Step 4: Simplify right side
    28,882.98x = 928,495,008.58
  5. Step 5: Solve for x
    x = 928,495,008.58/28,882.98
  6. Step 6: Final answer
    x = 32,146.79

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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.