Home / 28,227.62-38,943.00-16,288.65

Finding the Fourth Proportional to 28,227.62, 38,943.00 and 16,288.65

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Solution

The fourth proportional to 28,227.62, 38,943.00 and 16,288.65 is: 22,471.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,227.62 : 38,943.00 = 16,288.65 : x
  2. Step 2: Convert to fraction form
    28,227.62/38,943.00 = 16,288.65/x
  3. Step 3: Cross multiply
    28,227.62x = 38,943.00 × 16,288.65
  4. Step 4: Simplify right side
    28,227.62x = 634,328,741.61
  5. Step 5: Solve for x
    x = 634,328,741.61/28,227.62
  6. Step 6: Final answer
    x = 22,471.92

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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.