Home / 26,619.88-36,734.19-15,281.50

Finding the Fourth Proportional to 26,619.88, 36,734.19 and 15,281.50

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Solution

The fourth proportional to 26,619.88, 36,734.19 and 15,281.50 is: 21,087.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,619.88 : 36,734.19 = 15,281.50 : x
  2. Step 2: Convert to fraction form
    26,619.88/36,734.19 = 15,281.50/x
  3. Step 3: Cross multiply
    26,619.88x = 36,734.19 × 15,281.50
  4. Step 4: Simplify right side
    26,619.88x = 561,353,524.49
  5. Step 5: Solve for x
    x = 561,353,524.49/26,619.88
  6. Step 6: Final answer
    x = 21,087.76

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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.