Home / 25,638.05-38,443.75-11,591.36

Finding the Fourth Proportional to 25,638.05, 38,443.75 and 11,591.36

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Solution

The fourth proportional to 25,638.05, 38,443.75 and 11,591.36 is: 17,381.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,638.05 : 38,443.75 = 11,591.36 : x
  2. Step 2: Convert to fraction form
    25,638.05/38,443.75 = 11,591.36/x
  3. Step 3: Cross multiply
    25,638.05x = 38,443.75 × 11,591.36
  4. Step 4: Simplify right side
    25,638.05x = 445,615,346
  5. Step 5: Solve for x
    x = 445,615,346/25,638.05
  6. Step 6: Final answer
    x = 17,381.02

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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.