Home / 25,864.56-38,793.90-7,147.25

Finding the Fourth Proportional to 25,864.56, 38,793.90 and 7,147.25

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Solution

The fourth proportional to 25,864.56, 38,793.90 and 7,147.25 is: 10,720.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,864.56 : 38,793.90 = 7,147.25 : x
  2. Step 2: Convert to fraction form
    25,864.56/38,793.90 = 7,147.25/x
  3. Step 3: Cross multiply
    25,864.56x = 38,793.90 × 7,147.25
  4. Step 4: Simplify right side
    25,864.56x = 277,269,680.08
  5. Step 5: Solve for x
    x = 277,269,680.08/25,864.56
  6. Step 6: Final answer
    x = 10,720.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.