Home / 28,228.38-38,956.59-16,295.46

Finding the Fourth Proportional to 28,228.38, 38,956.59 and 16,295.46

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Solution

The fourth proportional to 28,228.38, 38,956.59 and 16,295.46 is: 22,488.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,228.38 : 38,956.59 = 16,295.46 : x
  2. Step 2: Convert to fraction form
    28,228.38/38,956.59 = 16,295.46/x
  3. Step 3: Cross multiply
    28,228.38x = 38,956.59 × 16,295.46
  4. Step 4: Simplify right side
    28,228.38x = 634,815,554.08
  5. Step 5: Solve for x
    x = 634,815,554.08/28,228.38
  6. Step 6: Final answer
    x = 22,488.56

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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.