Home / 26,196.52-39,302.43-8,426.78

Finding the Fourth Proportional to 26,196.52, 39,302.43 and 8,426.78

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Solution

The fourth proportional to 26,196.52, 39,302.43 and 8,426.78 is: 12,642.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,196.52 : 39,302.43 = 8,426.78 : x
  2. Step 2: Convert to fraction form
    26,196.52/39,302.43 = 8,426.78/x
  3. Step 3: Cross multiply
    26,196.52x = 39,302.43 × 8,426.78
  4. Step 4: Simplify right side
    26,196.52x = 331,192,931.08
  5. Step 5: Solve for x
    x = 331,192,931.08/26,196.52
  6. Step 6: Final answer
    x = 12,642.63

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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.