Home / 25,654.66-35,409.34-15,047.72

Finding the Fourth Proportional to 25,654.66, 35,409.34 and 15,047.72

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Solution

The fourth proportional to 25,654.66, 35,409.34 and 15,047.72 is: 20,769.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,654.66 : 35,409.34 = 15,047.72 : x
  2. Step 2: Convert to fraction form
    25,654.66/35,409.34 = 15,047.72/x
  3. Step 3: Cross multiply
    25,654.66x = 35,409.34 × 15,047.72
  4. Step 4: Simplify right side
    25,654.66x = 532,829,833.70
  5. Step 5: Solve for x
    x = 532,829,833.70/25,654.66
  6. Step 6: Final answer
    x = 20,769.32

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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.