Home / 27,059.40-37,343.16-15,122.70

Finding the Fourth Proportional to 27,059.40, 37,343.16 and 15,122.70

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Solution

The fourth proportional to 27,059.40, 37,343.16 and 15,122.70 is: 20,869.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,059.40 : 37,343.16 = 15,122.70 : x
  2. Step 2: Convert to fraction form
    27,059.40/37,343.16 = 15,122.70/x
  3. Step 3: Cross multiply
    27,059.40x = 37,343.16 × 15,122.70
  4. Step 4: Simplify right side
    27,059.40x = 564,729,405.73
  5. Step 5: Solve for x
    x = 564,729,405.73/27,059.40
  6. Step 6: Final answer
    x = 20,869.99

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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.