Home / 28,433.38-42,648.27-11,104.65

Finding the Fourth Proportional to 28,433.38, 42,648.27 and 11,104.65

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Solution

The fourth proportional to 28,433.38, 42,648.27 and 11,104.65 is: 16,656.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,433.38 : 42,648.27 = 11,104.65 : x
  2. Step 2: Convert to fraction form
    28,433.38/42,648.27 = 11,104.65/x
  3. Step 3: Cross multiply
    28,433.38x = 42,648.27 × 11,104.65
  4. Step 4: Simplify right side
    28,433.38x = 473,594,055.93
  5. Step 5: Solve for x
    x = 473,594,055.93/28,433.38
  6. Step 6: Final answer
    x = 16,656.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.