Home / 25,654.82-35,409.55-15,047.87

Finding the Fourth Proportional to 25,654.82, 35,409.55 and 15,047.87

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Solution

The fourth proportional to 25,654.82, 35,409.55 and 15,047.87 is: 20,769.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,654.82 : 35,409.55 = 15,047.87 : x
  2. Step 2: Convert to fraction form
    25,654.82/35,409.55 = 15,047.87/x
  3. Step 3: Cross multiply
    25,654.82x = 35,409.55 × 15,047.87
  4. Step 4: Simplify right side
    25,654.82x = 532,838,128.11
  5. Step 5: Solve for x
    x = 532,838,128.11/25,654.82
  6. Step 6: Final answer
    x = 20,769.52

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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.