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Finding the Fourth Proportional to 56,559.92, 84,710.64 and 26,998.50

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Solution

The fourth proportional to 56,559.92, 84,710.64 and 26,998.50 is: 40,436.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,559.92 : 84,710.64 = 26,998.50 : x
  2. Step 2: Convert to fraction form
    56,559.92/84,710.64 = 26,998.50/x
  3. Step 3: Cross multiply
    56,559.92x = 84,710.64 × 26,998.50
  4. Step 4: Simplify right side
    56,559.92x = 2,287,060,214.04
  5. Step 5: Solve for x
    x = 2,287,060,214.04/56,559.92
  6. Step 6: Final answer
    x = 40,436.06

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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.