Home / 26,291.40-36,282.21-16,860

Finding the Fourth Proportional to 26,291.40, 36,282.21 and 16,860

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Solution

The fourth proportional to 26,291.40, 36,282.21 and 16,860 is: 23,266.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,291.40 : 36,282.21 = 16,860 : x
  2. Step 2: Convert to fraction form
    26,291.40/36,282.21 = 16,860/x
  3. Step 3: Cross multiply
    26,291.40x = 36,282.21 × 16,860
  4. Step 4: Simplify right side
    26,291.40x = 611,718,060.60
  5. Step 5: Solve for x
    x = 611,718,060.60/26,291.40
  6. Step 6: Final answer
    x = 23,266.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.