Home / 28,691.16-43,062.64-12,063.48

Finding the Fourth Proportional to 28,691.16, 43,062.64 and 12,063.48

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Solution

The fourth proportional to 28,691.16, 43,062.64 and 12,063.48 is: 18,106.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,691.16 : 43,062.64 = 12,063.48 : x
  2. Step 2: Convert to fraction form
    28,691.16/43,062.64 = 12,063.48/x
  3. Step 3: Cross multiply
    28,691.16x = 43,062.64 × 12,063.48
  4. Step 4: Simplify right side
    28,691.16x = 519,485,296.39
  5. Step 5: Solve for x
    x = 519,485,296.39/28,691.16
  6. Step 6: Final answer
    x = 18,106.11

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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.