Home / 27,340.87-37,729.01-15,404.91

Finding the Fourth Proportional to 27,340.87, 37,729.01 and 15,404.91

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Solution

The fourth proportional to 27,340.87, 37,729.01 and 15,404.91 is: 21,257.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,340.87 : 37,729.01 = 15,404.91 : x
  2. Step 2: Convert to fraction form
    27,340.87/37,729.01 = 15,404.91/x
  3. Step 3: Cross multiply
    27,340.87x = 37,729.01 × 15,404.91
  4. Step 4: Simplify right side
    27,340.87x = 581,211,926.41
  5. Step 5: Solve for x
    x = 581,211,926.41/27,340.87
  6. Step 6: Final answer
    x = 21,257.99

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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.