Home / 26,178.88-39,274.08-12,343.36

Finding the Fourth Proportional to 26,178.88, 39,274.08 and 12,343.36

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Solution

The fourth proportional to 26,178.88, 39,274.08 and 12,343.36 is: 18,517.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,178.88 : 39,274.08 = 12,343.36 : x
  2. Step 2: Convert to fraction form
    26,178.88/39,274.08 = 12,343.36/x
  3. Step 3: Cross multiply
    26,178.88x = 39,274.08 × 12,343.36
  4. Step 4: Simplify right side
    26,178.88x = 484,774,108.11
  5. Step 5: Solve for x
    x = 484,774,108.11/26,178.88
  6. Step 6: Final answer
    x = 18,517.76

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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.