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Finding the Fourth Proportional to 17,652.74, 26,479.31 and 5,807.30

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Solution

The fourth proportional to 17,652.74, 26,479.31 and 5,807.30 is: 8,711.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,652.74 : 26,479.31 = 5,807.30 : x
  2. Step 2: Convert to fraction form
    17,652.74/26,479.31 = 5,807.30/x
  3. Step 3: Cross multiply
    17,652.74x = 26,479.31 × 5,807.30
  4. Step 4: Simplify right side
    17,652.74x = 153,773,135.53
  5. Step 5: Solve for x
    x = 153,773,135.53/17,652.74
  6. Step 6: Final answer
    x = 8,711.01

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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.