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Finding the Fourth Proportional to 64,462.86, 96,692.15 and 26,510.81

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Solution

The fourth proportional to 64,462.86, 96,692.15 and 26,510.81 is: 39,765.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,462.86 : 96,692.15 = 26,510.81 : x
  2. Step 2: Convert to fraction form
    64,462.86/96,692.15 = 26,510.81/x
  3. Step 3: Cross multiply
    64,462.86x = 96,692.15 × 26,510.81
  4. Step 4: Simplify right side
    64,462.86x = 2,563,386,601.13
  5. Step 5: Solve for x
    x = 2,563,386,601.13/64,462.86
  6. Step 6: Final answer
    x = 39,765.33

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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.