Home / 27,217.50-37,557.27-15,282.18

Finding the Fourth Proportional to 27,217.50, 37,557.27 and 15,282.18

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Solution

The fourth proportional to 27,217.50, 37,557.27 and 15,282.18 is: 21,087.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,217.50 : 37,557.27 = 15,282.18 : x
  2. Step 2: Convert to fraction form
    27,217.50/37,557.27 = 15,282.18/x
  3. Step 3: Cross multiply
    27,217.50x = 37,557.27 × 15,282.18
  4. Step 4: Simplify right side
    27,217.50x = 573,956,960.45
  5. Step 5: Solve for x
    x = 573,956,960.45/27,217.50
  6. Step 6: Final answer
    x = 21,087.79

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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.