Home / 25,383.12-35,024.54-15,945

Finding the Fourth Proportional to 25,383.12, 35,024.54 and 15,945

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Solution

The fourth proportional to 25,383.12, 35,024.54 and 15,945 is: 22,001.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,383.12 : 35,024.54 = 15,945 : x
  2. Step 2: Convert to fraction form
    25,383.12/35,024.54 = 15,945/x
  3. Step 3: Cross multiply
    25,383.12x = 35,024.54 × 15,945
  4. Step 4: Simplify right side
    25,383.12x = 558,466,290.30
  5. Step 5: Solve for x
    x = 558,466,290.30/25,383.12
  6. Step 6: Final answer
    x = 22,001.48

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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.