Home / 27,301.23-40,947.28-7,581.78

Finding the Fourth Proportional to 27,301.23, 40,947.28 and 7,581.78

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Solution

The fourth proportional to 27,301.23, 40,947.28 and 7,581.78 is: 11,371.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,301.23 : 40,947.28 = 7,581.78 : x
  2. Step 2: Convert to fraction form
    27,301.23/40,947.28 = 7,581.78/x
  3. Step 3: Cross multiply
    27,301.23x = 40,947.28 × 7,581.78
  4. Step 4: Simplify right side
    27,301.23x = 310,453,268.56
  5. Step 5: Solve for x
    x = 310,453,268.56/27,301.23
  6. Step 6: Final answer
    x = 11,371.40

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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.