Home / 25,725.28-35,507.82-15,122.02

Finding the Fourth Proportional to 25,725.28, 35,507.82 and 15,122.02

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Solution

The fourth proportional to 25,725.28, 35,507.82 and 15,122.02 is: 20,872.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,725.28 : 35,507.82 = 15,122.02 : x
  2. Step 2: Convert to fraction form
    25,725.28/35,507.82 = 15,122.02/x
  3. Step 3: Cross multiply
    25,725.28x = 35,507.82 × 15,122.02
  4. Step 4: Simplify right side
    25,725.28x = 536,949,964.20
  5. Step 5: Solve for x
    x = 536,949,964.20/25,725.28
  6. Step 6: Final answer
    x = 20,872.46

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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.