Home / 28,867.64-43,301.73-9,146.30

Finding the Fourth Proportional to 28,867.64, 43,301.73 and 9,146.30

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Solution

The fourth proportional to 28,867.64, 43,301.73 and 9,146.30 is: 13,719.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,867.64 : 43,301.73 = 9,146.30 : x
  2. Step 2: Convert to fraction form
    28,867.64/43,301.73 = 9,146.30/x
  3. Step 3: Cross multiply
    28,867.64x = 43,301.73 × 9,146.30
  4. Step 4: Simplify right side
    28,867.64x = 396,050,613.10
  5. Step 5: Solve for x
    x = 396,050,613.10/28,867.64
  6. Step 6: Final answer
    x = 13,719.54

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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.