Home / 26,865.72-40,294.08-7,144.56

Finding the Fourth Proportional to 26,865.72, 40,294.08 and 7,144.56

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Solution

The fourth proportional to 26,865.72, 40,294.08 and 7,144.56 is: 10,715.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,865.72 : 40,294.08 = 7,144.56 : x
  2. Step 2: Convert to fraction form
    26,865.72/40,294.08 = 7,144.56/x
  3. Step 3: Cross multiply
    26,865.72x = 40,294.08 × 7,144.56
  4. Step 4: Simplify right side
    26,865.72x = 287,883,472.20
  5. Step 5: Solve for x
    x = 287,883,472.20/26,865.72
  6. Step 6: Final answer
    x = 10,715.64

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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.