Home / 25,581.28-35,302.80-14,404

Finding the Fourth Proportional to 25,581.28, 35,302.80 and 14,404

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Solution

The fourth proportional to 25,581.28, 35,302.80 and 14,404 is: 19,877.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,581.28 : 35,302.80 = 14,404 : x
  2. Step 2: Convert to fraction form
    25,581.28/35,302.80 = 14,404/x
  3. Step 3: Cross multiply
    25,581.28x = 35,302.80 × 14,404
  4. Step 4: Simplify right side
    25,581.28x = 508,501,531.20
  5. Step 5: Solve for x
    x = 508,501,531.20/25,581.28
  6. Step 6: Final answer
    x = 19,877.88

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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.