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Finding the Fourth Proportional to 56,932.66, 85,389.31 and 15,369.94

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Solution

The fourth proportional to 56,932.66, 85,389.31 and 15,369.94 is: 23,052.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,932.66 : 85,389.31 = 15,369.94 : x
  2. Step 2: Convert to fraction form
    56,932.66/85,389.31 = 15,369.94/x
  3. Step 3: Cross multiply
    56,932.66x = 85,389.31 × 15,369.94
  4. Step 4: Simplify right side
    56,932.66x = 1,312,428,571.34
  5. Step 5: Solve for x
    x = 1,312,428,571.34/56,932.66
  6. Step 6: Final answer
    x = 23,052.30

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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.