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Finding the Fourth Proportional to 40,557, 60,835.23 and 10,977.87

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Solution

The fourth proportional to 40,557, 60,835.23 and 10,977.87 is: 16,466.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,557 : 60,835.23 = 10,977.87 : x
  2. Step 2: Convert to fraction form
    40,557/60,835.23 = 10,977.87/x
  3. Step 3: Cross multiply
    40,557x = 60,835.23 × 10,977.87
  4. Step 4: Simplify right side
    40,557x = 667,841,246.36
  5. Step 5: Solve for x
    x = 667,841,246.36/40,557
  6. Step 6: Final answer
    x = 16,466.73

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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.