Home / 29,428.91-44,137.12-9,702.78

Finding the Fourth Proportional to 29,428.91, 44,137.12 and 9,702.78

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Solution

The fourth proportional to 29,428.91, 44,137.12 and 9,702.78 is: 14,552.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,428.91 : 44,137.12 = 9,702.78 : x
  2. Step 2: Convert to fraction form
    29,428.91/44,137.12 = 9,702.78/x
  3. Step 3: Cross multiply
    29,428.91x = 44,137.12 × 9,702.78
  4. Step 4: Simplify right side
    29,428.91x = 428,252,765.19
  5. Step 5: Solve for x
    x = 428,252,765.19/29,428.91
  6. Step 6: Final answer
    x = 14,552.11

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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.