Home / 29,432.28-40,589.64-21,897.48

Finding the Fourth Proportional to 29,432.28, 40,589.64 and 21,897.48

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Solution

The fourth proportional to 29,432.28, 40,589.64 and 21,897.48 is: 30,198.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,432.28 : 40,589.64 = 21,897.48 : x
  2. Step 2: Convert to fraction form
    29,432.28/40,589.64 = 21,897.48/x
  3. Step 3: Cross multiply
    29,432.28x = 40,589.64 × 21,897.48
  4. Step 4: Simplify right side
    29,432.28x = 888,810,830.11
  5. Step 5: Solve for x
    x = 888,810,830.11/29,432.28
  6. Step 6: Final answer
    x = 30,198.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.