Home / 27,999.28-41,985.23-12,217.64

Finding the Fourth Proportional to 27,999.28, 41,985.23 and 12,217.64

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Solution

The fourth proportional to 27,999.28, 41,985.23 and 12,217.64 is: 18,320.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,999.28 : 41,985.23 = 12,217.64 : x
  2. Step 2: Convert to fraction form
    27,999.28/41,985.23 = 12,217.64/x
  3. Step 3: Cross multiply
    27,999.28x = 41,985.23 × 12,217.64
  4. Step 4: Simplify right side
    27,999.28x = 512,960,425.46
  5. Step 5: Solve for x
    x = 512,960,425.46/27,999.28
  6. Step 6: Final answer
    x = 18,320.49

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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.