Home / 28,856.40-43,286.52-10,134.16

Finding the Fourth Proportional to 28,856.40, 43,286.52 and 10,134.16

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Solution

The fourth proportional to 28,856.40, 43,286.52 and 10,134.16 is: 15,201.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,856.40 : 43,286.52 = 10,134.16 : x
  2. Step 2: Convert to fraction form
    28,856.40/43,286.52 = 10,134.16/x
  3. Step 3: Cross multiply
    28,856.40x = 43,286.52 × 10,134.16
  4. Step 4: Simplify right side
    28,856.40x = 438,672,519.52
  5. Step 5: Solve for x
    x = 438,672,519.52/28,856.40
  6. Step 6: Final answer
    x = 15,201.91

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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.