Home / 29,990.28-41,372.88-17,407.76

Finding the Fourth Proportional to 29,990.28, 41,372.88 and 17,407.76

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Solution

The fourth proportional to 29,990.28, 41,372.88 and 17,407.76 is: 24,014.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,990.28 : 41,372.88 = 17,407.76 : x
  2. Step 2: Convert to fraction form
    29,990.28/41,372.88 = 17,407.76/x
  3. Step 3: Cross multiply
    29,990.28x = 41,372.88 × 17,407.76
  4. Step 4: Simplify right side
    29,990.28x = 720,209,165.55
  5. Step 5: Solve for x
    x = 720,209,165.55/29,990.28
  6. Step 6: Final answer
    x = 24,014.75

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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.