Home / 28,214.38-38,939.88-16,281.82

Finding the Fourth Proportional to 28,214.38, 38,939.88 and 16,281.82

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Solution

The fourth proportional to 28,214.38, 38,939.88 and 16,281.82 is: 22,471.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,214.38 : 38,939.88 = 16,281.82 : x
  2. Step 2: Convert to fraction form
    28,214.38/38,939.88 = 16,281.82/x
  3. Step 3: Cross multiply
    28,214.38x = 38,939.88 × 16,281.82
  4. Step 4: Simplify right side
    28,214.38x = 634,012,116.98
  5. Step 5: Solve for x
    x = 634,012,116.98/28,214.38
  6. Step 6: Final answer
    x = 22,471.24

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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.