Home / 29,428.20-40,601.76-16,679.28

Finding the Fourth Proportional to 29,428.20, 40,601.76 and 16,679.28

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Solution

The fourth proportional to 29,428.20, 40,601.76 and 16,679.28 is: 23,012.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,428.20 : 40,601.76 = 16,679.28 : x
  2. Step 2: Convert to fraction form
    29,428.20/40,601.76 = 16,679.28/x
  3. Step 3: Cross multiply
    29,428.20x = 40,601.76 × 16,679.28
  4. Step 4: Simplify right side
    29,428.20x = 677,208,123.53
  5. Step 5: Solve for x
    x = 677,208,123.53/29,428.20
  6. Step 6: Final answer
    x = 23,012.22

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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.