Home / 26,159.40-39,184.20-20,586.42

Finding the Fourth Proportional to 26,159.40, 39,184.20 and 20,586.42

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Solution

The fourth proportional to 26,159.40, 39,184.20 and 20,586.42 is: 30,836.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,159.40 : 39,184.20 = 20,586.42 : x
  2. Step 2: Convert to fraction form
    26,159.40/39,184.20 = 20,586.42/x
  3. Step 3: Cross multiply
    26,159.40x = 39,184.20 × 20,586.42
  4. Step 4: Simplify right side
    26,159.40x = 806,662,398.56
  5. Step 5: Solve for x
    x = 806,662,398.56/26,159.40
  6. Step 6: Final answer
    x = 30,836.43

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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.