Home / 28,887.66-43,333.92-9,162.14

Finding the Fourth Proportional to 28,887.66, 43,333.92 and 9,162.14

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Solution

The fourth proportional to 28,887.66, 43,333.92 and 9,162.14 is: 13,743.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,887.66 : 43,333.92 = 9,162.14 : x
  2. Step 2: Convert to fraction form
    28,887.66/43,333.92 = 9,162.14/x
  3. Step 3: Cross multiply
    28,887.66x = 43,333.92 × 9,162.14
  4. Step 4: Simplify right side
    28,887.66x = 397,031,225.12
  5. Step 5: Solve for x
    x = 397,031,225.12/28,887.66
  6. Step 6: Final answer
    x = 13,743.97

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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.