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Finding the Fourth Proportional to 61,958.66, 92,885.75 and 26,871.89

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Solution

The fourth proportional to 61,958.66, 92,885.75 and 26,871.89 is: 40,285.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,958.66 : 92,885.75 = 26,871.89 : x
  2. Step 2: Convert to fraction form
    61,958.66/92,885.75 = 26,871.89/x
  3. Step 3: Cross multiply
    61,958.66x = 92,885.75 × 26,871.89
  4. Step 4: Simplify right side
    61,958.66x = 2,496,015,754.42
  5. Step 5: Solve for x
    x = 2,496,015,754.42/61,958.66
  6. Step 6: Final answer
    x = 40,285.18

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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.