Home / 28,896.64-39,876.84-16,150.06

Finding the Fourth Proportional to 28,896.64, 39,876.84 and 16,150.06

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Solution

The fourth proportional to 28,896.64, 39,876.84 and 16,150.06 is: 22,286.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,896.64 : 39,876.84 = 16,150.06 : x
  2. Step 2: Convert to fraction form
    28,896.64/39,876.84 = 16,150.06/x
  3. Step 3: Cross multiply
    28,896.64x = 39,876.84 × 16,150.06
  4. Step 4: Simplify right side
    28,896.64x = 644,013,358.61
  5. Step 5: Solve for x
    x = 644,013,358.61/28,896.64
  6. Step 6: Final answer
    x = 22,286.79

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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.