Home / 26,100.84-39,156.15-8,571.66

Finding the Fourth Proportional to 26,100.84, 39,156.15 and 8,571.66

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Solution

The fourth proportional to 26,100.84, 39,156.15 and 8,571.66 is: 12,859.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,100.84 : 39,156.15 = 8,571.66 : x
  2. Step 2: Convert to fraction form
    26,100.84/39,156.15 = 8,571.66/x
  3. Step 3: Cross multiply
    26,100.84x = 39,156.15 × 8,571.66
  4. Step 4: Simplify right side
    26,100.84x = 335,633,204.71
  5. Step 5: Solve for x
    x = 335,633,204.71/26,100.84
  6. Step 6: Final answer
    x = 12,859.10

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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.