Home / 27,753.50-38,299.86-15,178.28

Finding the Fourth Proportional to 27,753.50, 38,299.86 and 15,178.28

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Solution

The fourth proportional to 27,753.50, 38,299.86 and 15,178.28 is: 20,946.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,753.50 : 38,299.86 = 15,178.28 : x
  2. Step 2: Convert to fraction form
    27,753.50/38,299.86 = 15,178.28/x
  3. Step 3: Cross multiply
    27,753.50x = 38,299.86 × 15,178.28
  4. Step 4: Simplify right side
    27,753.50x = 581,325,999.04
  5. Step 5: Solve for x
    x = 581,325,999.04/27,753.50
  6. Step 6: Final answer
    x = 20,946.04

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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.