Home / 20,934.41-28,889.24-11,502.95

Finding the Fourth Proportional to 20,934.41, 28,889.24 and 11,502.95

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Solution

The fourth proportional to 20,934.41, 28,889.24 and 11,502.95 is: 15,873.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,934.41 : 28,889.24 = 11,502.95 : x
  2. Step 2: Convert to fraction form
    20,934.41/28,889.24 = 11,502.95/x
  3. Step 3: Cross multiply
    20,934.41x = 28,889.24 × 11,502.95
  4. Step 4: Simplify right side
    20,934.41x = 332,311,281.30
  5. Step 5: Solve for x
    x = 332,311,281.30/20,934.41
  6. Step 6: Final answer
    x = 15,873.93

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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.