Home / 27,136.46-40,671.87-13,981.65

Finding the Fourth Proportional to 27,136.46, 40,671.87 and 13,981.65

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Solution

The fourth proportional to 27,136.46, 40,671.87 and 13,981.65 is: 20,955.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,136.46 : 40,671.87 = 13,981.65 : x
  2. Step 2: Convert to fraction form
    27,136.46/40,671.87 = 13,981.65/x
  3. Step 3: Cross multiply
    27,136.46x = 40,671.87 × 13,981.65
  4. Step 4: Simplify right side
    27,136.46x = 568,659,851.19
  5. Step 5: Solve for x
    x = 568,659,851.19/27,136.46
  6. Step 6: Final answer
    x = 20,955.57

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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.