Home / 26,240.28-39,353.70-7,767.96

Finding the Fourth Proportional to 26,240.28, 39,353.70 and 7,767.96

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Solution

The fourth proportional to 26,240.28, 39,353.70 and 7,767.96 is: 11,649.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,240.28 : 39,353.70 = 7,767.96 : x
  2. Step 2: Convert to fraction form
    26,240.28/39,353.70 = 7,767.96/x
  3. Step 3: Cross multiply
    26,240.28x = 39,353.70 × 7,767.96
  4. Step 4: Simplify right side
    26,240.28x = 305,697,967.45
  5. Step 5: Solve for x
    x = 305,697,967.45/26,240.28
  6. Step 6: Final answer
    x = 11,649.95

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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.