Home / 26,196.40-39,290.28-8,426.17

Finding the Fourth Proportional to 26,196.40, 39,290.28 and 8,426.17

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Solution

The fourth proportional to 26,196.40, 39,290.28 and 8,426.17 is: 12,637.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,196.40 : 39,290.28 = 8,426.17 : x
  2. Step 2: Convert to fraction form
    26,196.40/39,290.28 = 8,426.17/x
  3. Step 3: Cross multiply
    26,196.40x = 39,290.28 × 8,426.17
  4. Step 4: Simplify right side
    26,196.40x = 331,066,578.63
  5. Step 5: Solve for x
    x = 331,066,578.63/26,196.40
  6. Step 6: Final answer
    x = 12,637.87

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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.