Home / 28,854.27-43,287.89-9,134.01

Finding the Fourth Proportional to 28,854.27, 43,287.89 and 9,134.01

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Solution

The fourth proportional to 28,854.27, 43,287.89 and 9,134.01 is: 13,703.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,854.27 : 43,287.89 = 9,134.01 : x
  2. Step 2: Convert to fraction form
    28,854.27/43,287.89 = 9,134.01/x
  3. Step 3: Cross multiply
    28,854.27x = 43,287.89 × 9,134.01
  4. Step 4: Simplify right side
    28,854.27x = 395,392,020.14
  5. Step 5: Solve for x
    x = 395,392,020.14/28,854.27
  6. Step 6: Final answer
    x = 13,703.07

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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.