Home / 26,610.76-36,692.49-19,885.06

Finding the Fourth Proportional to 26,610.76, 36,692.49 and 19,885.06

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Solution

The fourth proportional to 26,610.76, 36,692.49 and 19,885.06 is: 27,418.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,610.76 : 36,692.49 = 19,885.06 : x
  2. Step 2: Convert to fraction form
    26,610.76/36,692.49 = 19,885.06/x
  3. Step 3: Cross multiply
    26,610.76x = 36,692.49 × 19,885.06
  4. Step 4: Simplify right side
    26,610.76x = 729,632,365.20
  5. Step 5: Solve for x
    x = 729,632,365.20/26,610.76
  6. Step 6: Final answer
    x = 27,418.70

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1.5x scale

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.