Home / 28,093.47-38,765.72-16,160.65

Finding the Fourth Proportional to 28,093.47, 38,765.72 and 16,160.65

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Solution

The fourth proportional to 28,093.47, 38,765.72 and 16,160.65 is: 22,299.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,093.47 : 38,765.72 = 16,160.65 : x
  2. Step 2: Convert to fraction form
    28,093.47/38,765.72 = 16,160.65/x
  3. Step 3: Cross multiply
    28,093.47x = 38,765.72 × 16,160.65
  4. Step 4: Simplify right side
    28,093.47x = 626,479,176.41
  5. Step 5: Solve for x
    x = 626,479,176.41/28,093.47
  6. Step 6: Final answer
    x = 22,299.82

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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.