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Finding the Fourth Proportional to 56,511.99, 84,707.82 and 26,867.16

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Solution

The fourth proportional to 56,511.99, 84,707.82 and 26,867.16 is: 40,272.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,511.99 : 84,707.82 = 26,867.16 : x
  2. Step 2: Convert to fraction form
    56,511.99/84,707.82 = 26,867.16/x
  3. Step 3: Cross multiply
    56,511.99x = 84,707.82 × 26,867.16
  4. Step 4: Simplify right side
    56,511.99x = 2,275,858,553.19
  5. Step 5: Solve for x
    x = 2,275,858,553.19/56,511.99
  6. Step 6: Final answer
    x = 40,272.14

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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.