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Finding the Fourth Proportional to 27,119.66, 40,683.15 and 25,479.41

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Solution

The fourth proportional to 27,119.66, 40,683.15 and 25,479.41 is: 38,222.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,119.66 : 40,683.15 = 25,479.41 : x
  2. Step 2: Convert to fraction form
    27,119.66/40,683.15 = 25,479.41/x
  3. Step 3: Cross multiply
    27,119.66x = 40,683.15 × 25,479.41
  4. Step 4: Simplify right side
    27,119.66x = 1,036,582,455.53
  5. Step 5: Solve for x
    x = 1,036,582,455.53/27,119.66
  6. Step 6: Final answer
    x = 38,222.55

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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.