Home / 27,340.47-37,729.95-15,404.01

Finding the Fourth Proportional to 27,340.47, 37,729.95 and 15,404.01

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Solution

The fourth proportional to 27,340.47, 37,729.95 and 15,404.01 is: 21,257.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,340.47 : 37,729.95 = 15,404.01 : x
  2. Step 2: Convert to fraction form
    27,340.47/37,729.95 = 15,404.01/x
  3. Step 3: Cross multiply
    27,340.47x = 37,729.95 × 15,404.01
  4. Step 4: Simplify right side
    27,340.47x = 581,192,527.10
  5. Step 5: Solve for x
    x = 581,192,527.10/27,340.47
  6. Step 6: Final answer
    x = 21,257.59

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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.