Home / 27,193.50-37,527.12-15,870.78

Finding the Fourth Proportional to 27,193.50, 37,527.12 and 15,870.78

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Solution

The fourth proportional to 27,193.50, 37,527.12 and 15,870.78 is: 21,901.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,193.50 : 37,527.12 = 15,870.78 : x
  2. Step 2: Convert to fraction form
    27,193.50/37,527.12 = 15,870.78/x
  3. Step 3: Cross multiply
    27,193.50x = 37,527.12 × 15,870.78
  4. Step 4: Simplify right side
    27,193.50x = 595,584,665.55
  5. Step 5: Solve for x
    x = 595,584,665.55/27,193.50
  6. Step 6: Final answer
    x = 21,901.73

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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.