Home / 25,654.62-35,370.42-21,038.34

Finding the Fourth Proportional to 25,654.62, 35,370.42 and 21,038.34

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Solution

The fourth proportional to 25,654.62, 35,370.42 and 21,038.34 is: 29,005.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,654.62 : 35,370.42 = 21,038.34 : x
  2. Step 2: Convert to fraction form
    25,654.62/35,370.42 = 21,038.34/x
  3. Step 3: Cross multiply
    25,654.62x = 35,370.42 × 21,038.34
  4. Step 4: Simplify right side
    25,654.62x = 744,134,921.90
  5. Step 5: Solve for x
    x = 744,134,921.90/25,654.62
  6. Step 6: Final answer
    x = 29,005.88

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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.