Home / 26,343.66-39,503.07-8,808.78

Finding the Fourth Proportional to 26,343.66, 39,503.07 and 8,808.78

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Solution

The fourth proportional to 26,343.66, 39,503.07 and 8,808.78 is: 13,209.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,343.66 : 39,503.07 = 8,808.78 : x
  2. Step 2: Convert to fraction form
    26,343.66/39,503.07 = 8,808.78/x
  3. Step 3: Cross multiply
    26,343.66x = 39,503.07 × 8,808.78
  4. Step 4: Simplify right side
    26,343.66x = 347,973,852.95
  5. Step 5: Solve for x
    x = 347,973,852.95/26,343.66
  6. Step 6: Final answer
    x = 13,209.02

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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.