Home / 26,196.29-39,302.09-8,426.55

Finding the Fourth Proportional to 26,196.29, 39,302.09 and 8,426.55

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Solution

The fourth proportional to 26,196.29, 39,302.09 and 8,426.55 is: 12,642.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,196.29 : 39,302.09 = 8,426.55 : x
  2. Step 2: Convert to fraction form
    26,196.29/39,302.09 = 8,426.55/x
  3. Step 3: Cross multiply
    26,196.29x = 39,302.09 × 8,426.55
  4. Step 4: Simplify right side
    26,196.29x = 331,180,984.36
  5. Step 5: Solve for x
    x = 331,180,984.36/26,196.29
  6. Step 6: Final answer
    x = 12,642.29

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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.