Home / 27,029.28-40,543.03-12,238.20

Finding the Fourth Proportional to 27,029.28, 40,543.03 and 12,238.20

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Solution

The fourth proportional to 27,029.28, 40,543.03 and 12,238.20 is: 18,356.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,029.28 : 40,543.03 = 12,238.20 : x
  2. Step 2: Convert to fraction form
    27,029.28/40,543.03 = 12,238.20/x
  3. Step 3: Cross multiply
    27,029.28x = 40,543.03 × 12,238.20
  4. Step 4: Simplify right side
    27,029.28x = 496,173,709.75
  5. Step 5: Solve for x
    x = 496,173,709.75/27,029.28
  6. Step 6: Final answer
    x = 18,356.90

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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.