Home / 19,451.88-26,845.38-15,206.76

Finding the Fourth Proportional to 19,451.88, 26,845.38 and 15,206.76

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Solution

The fourth proportional to 19,451.88, 26,845.38 and 15,206.76 is: 20,986.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,451.88 : 26,845.38 = 15,206.76 : x
  2. Step 2: Convert to fraction form
    19,451.88/26,845.38 = 15,206.76/x
  3. Step 3: Cross multiply
    19,451.88x = 26,845.38 × 15,206.76
  4. Step 4: Simplify right side
    19,451.88x = 408,231,250.77
  5. Step 5: Solve for x
    x = 408,231,250.77/19,451.88
  6. Step 6: Final answer
    x = 20,986.72

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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.