Home / 26,439.75-39,655.72-7,714.76

Finding the Fourth Proportional to 26,439.75, 39,655.72 and 7,714.76

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Solution

The fourth proportional to 26,439.75, 39,655.72 and 7,714.76 is: 11,571.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,439.75 : 39,655.72 = 7,714.76 : x
  2. Step 2: Convert to fraction form
    26,439.75/39,655.72 = 7,714.76/x
  3. Step 3: Cross multiply
    26,439.75x = 39,655.72 × 7,714.76
  4. Step 4: Simplify right side
    26,439.75x = 305,934,442.28
  5. Step 5: Solve for x
    x = 305,934,442.28/26,439.75
  6. Step 6: Final answer
    x = 11,571.00

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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.