Home / 26,220.64-39,330.24-6,498.76

Finding the Fourth Proportional to 26,220.64, 39,330.24 and 6,498.76

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Solution

The fourth proportional to 26,220.64, 39,330.24 and 6,498.76 is: 9,747.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,220.64 : 39,330.24 = 6,498.76 : x
  2. Step 2: Convert to fraction form
    26,220.64/39,330.24 = 6,498.76/x
  3. Step 3: Cross multiply
    26,220.64x = 39,330.24 × 6,498.76
  4. Step 4: Simplify right side
    26,220.64x = 255,597,790.50
  5. Step 5: Solve for x
    x = 255,597,790.50/26,220.64
  6. Step 6: Final answer
    x = 9,747.96

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Double scale
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Similar ratio
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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.