Home / 27,372.16-37,795.20-20,373.76

Finding the Fourth Proportional to 27,372.16, 37,795.20 and 20,373.76

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Solution

The fourth proportional to 27,372.16, 37,795.20 and 20,373.76 is: 28,131.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,372.16 : 37,795.20 = 20,373.76 : x
  2. Step 2: Convert to fraction form
    27,372.16/37,795.20 = 20,373.76/x
  3. Step 3: Cross multiply
    27,372.16x = 37,795.20 × 20,373.76
  4. Step 4: Simplify right side
    27,372.16x = 770,030,333.95
  5. Step 5: Solve for x
    x = 770,030,333.95/27,372.16
  6. Step 6: Final answer
    x = 28,131.88

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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.