Home / 27,154.55-37,474.76-15,221.72

Finding the Fourth Proportional to 27,154.55, 37,474.76 and 15,221.72

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Solution

The fourth proportional to 27,154.55, 37,474.76 and 15,221.72 is: 21,006.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,154.55 : 37,474.76 = 15,221.72 : x
  2. Step 2: Convert to fraction form
    27,154.55/37,474.76 = 15,221.72/x
  3. Step 3: Cross multiply
    27,154.55x = 37,474.76 × 15,221.72
  4. Step 4: Simplify right side
    27,154.55x = 570,430,435.53
  5. Step 5: Solve for x
    x = 570,430,435.53/27,154.55
  6. Step 6: Final answer
    x = 21,006.81

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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.