Home / 27,340.53-37,728.55-15,404.57

Finding the Fourth Proportional to 27,340.53, 37,728.55 and 15,404.57

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Solution

The fourth proportional to 27,340.53, 37,728.55 and 15,404.57 is: 21,257.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,340.53 : 37,728.55 = 15,404.57 : x
  2. Step 2: Convert to fraction form
    27,340.53/37,728.55 = 15,404.57/x
  3. Step 3: Cross multiply
    27,340.53x = 37,728.55 × 15,404.57
  4. Step 4: Simplify right side
    27,340.53x = 581,192,089.47
  5. Step 5: Solve for x
    x = 581,192,089.47/27,340.53
  6. Step 6: Final answer
    x = 21,257.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.