Home / 26,164.12-39,218.22-19,031.26

Finding the Fourth Proportional to 26,164.12, 39,218.22 and 19,031.26

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Solution

The fourth proportional to 26,164.12, 39,218.22 and 19,031.26 is: 28,526.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,164.12 : 39,218.22 = 19,031.26 : x
  2. Step 2: Convert to fraction form
    26,164.12/39,218.22 = 19,031.26/x
  3. Step 3: Cross multiply
    26,164.12x = 39,218.22 × 19,031.26
  4. Step 4: Simplify right side
    26,164.12x = 746,372,141.56
  5. Step 5: Solve for x
    x = 746,372,141.56/26,164.12
  6. Step 6: Final answer
    x = 28,526.55

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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.