Home / 27,136.41-40,634.52-18,728.87

Finding the Fourth Proportional to 27,136.41, 40,634.52 and 18,728.87

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Solution

The fourth proportional to 27,136.41, 40,634.52 and 18,728.87 is: 28,044.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,136.41 : 40,634.52 = 18,728.87 : x
  2. Step 2: Convert to fraction form
    27,136.41/40,634.52 = 18,728.87/x
  3. Step 3: Cross multiply
    27,136.41x = 40,634.52 × 18,728.87
  4. Step 4: Simplify right side
    27,136.41x = 761,038,345.78
  5. Step 5: Solve for x
    x = 761,038,345.78/27,136.41
  6. Step 6: Final answer
    x = 28,044.92

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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.