Home / 28,785.15-43,177.92-10,065.09

Finding the Fourth Proportional to 28,785.15, 43,177.92 and 10,065.09

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Solution

The fourth proportional to 28,785.15, 43,177.92 and 10,065.09 is: 15,097.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,785.15 : 43,177.92 = 10,065.09 : x
  2. Step 2: Convert to fraction form
    28,785.15/43,177.92 = 10,065.09/x
  3. Step 3: Cross multiply
    28,785.15x = 43,177.92 × 10,065.09
  4. Step 4: Simplify right side
    28,785.15x = 434,589,650.81
  5. Step 5: Solve for x
    x = 434,589,650.81/28,785.15
  6. Step 6: Final answer
    x = 15,097.70

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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.