Home / 27,674.55-38,190.85-15,099.30

Finding the Fourth Proportional to 27,674.55, 38,190.85 and 15,099.30

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Solution

The fourth proportional to 27,674.55, 38,190.85 and 15,099.30 is: 20,837.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,674.55 : 38,190.85 = 15,099.30 : x
  2. Step 2: Convert to fraction form
    27,674.55/38,190.85 = 15,099.30/x
  3. Step 3: Cross multiply
    27,674.55x = 38,190.85 × 15,099.30
  4. Step 4: Simplify right side
    27,674.55x = 576,655,101.41
  5. Step 5: Solve for x
    x = 576,655,101.41/27,674.55
  6. Step 6: Final answer
    x = 20,837.02

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Half scale
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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.