Home / 28,785.76-39,727.18-16,848.38

Finding the Fourth Proportional to 28,785.76, 39,727.18 and 16,848.38

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Solution

The fourth proportional to 28,785.76, 39,727.18 and 16,848.38 is: 23,252.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,785.76 : 39,727.18 = 16,848.38 : x
  2. Step 2: Convert to fraction form
    28,785.76/39,727.18 = 16,848.38/x
  3. Step 3: Cross multiply
    28,785.76x = 39,727.18 × 16,848.38
  4. Step 4: Simplify right side
    28,785.76x = 669,338,624.97
  5. Step 5: Solve for x
    x = 669,338,624.97/28,785.76
  6. Step 6: Final answer
    x = 23,252.42

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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.