Home / 27,279.28-40,921.30-7,558.01

Finding the Fourth Proportional to 27,279.28, 40,921.30 and 7,558.01

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Solution

The fourth proportional to 27,279.28, 40,921.30 and 7,558.01 is: 11,337.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,279.28 : 40,921.30 = 7,558.01 : x
  2. Step 2: Convert to fraction form
    27,279.28/40,921.30 = 7,558.01/x
  3. Step 3: Cross multiply
    27,279.28x = 40,921.30 × 7,558.01
  4. Step 4: Simplify right side
    27,279.28x = 309,283,552.91
  5. Step 5: Solve for x
    x = 309,283,552.91/27,279.28
  6. Step 6: Final answer
    x = 11,337.67

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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.