Home / 28,170.96-42,353.64-27,432.24

Finding the Fourth Proportional to 28,170.96, 42,353.64 and 27,432.24

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Solution

The fourth proportional to 28,170.96, 42,353.64 and 27,432.24 is: 41,243.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,170.96 : 42,353.64 = 27,432.24 : x
  2. Step 2: Convert to fraction form
    28,170.96/42,353.64 = 27,432.24/x
  3. Step 3: Cross multiply
    28,170.96x = 42,353.64 × 27,432.24
  4. Step 4: Simplify right side
    28,170.96x = 1,161,855,217.35
  5. Step 5: Solve for x
    x = 1,161,855,217.35/28,170.96
  6. Step 6: Final answer
    x = 41,243.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.