Home / 28,708.20-43,062.30-7,648.20

Finding the Fourth Proportional to 28,708.20, 43,062.30 and 7,648.20

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Solution

The fourth proportional to 28,708.20, 43,062.30 and 7,648.20 is: 11,472.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,708.20 : 43,062.30 = 7,648.20 : x
  2. Step 2: Convert to fraction form
    28,708.20/43,062.30 = 7,648.20/x
  3. Step 3: Cross multiply
    28,708.20x = 43,062.30 × 7,648.20
  4. Step 4: Simplify right side
    28,708.20x = 329,349,082.86
  5. Step 5: Solve for x
    x = 329,349,082.86/28,708.20
  6. Step 6: Final answer
    x = 11,472.30

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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.