Home / 28,432.26-42,612.75-21,883.14

Finding the Fourth Proportional to 28,432.26, 42,612.75 and 21,883.14

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Solution

The fourth proportional to 28,432.26, 42,612.75 and 21,883.14 is: 32,797.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,432.26 : 42,612.75 = 21,883.14 : x
  2. Step 2: Convert to fraction form
    28,432.26/42,612.75 = 21,883.14/x
  3. Step 3: Cross multiply
    28,432.26x = 42,612.75 × 21,883.14
  4. Step 4: Simplify right side
    28,432.26x = 932,500,774.04
  5. Step 5: Solve for x
    x = 932,500,774.04/28,432.26
  6. Step 6: Final answer
    x = 32,797.28

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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.