Home / 28,305.12-39,101.04-22,677.24

Finding the Fourth Proportional to 28,305.12, 39,101.04 and 22,677.24

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Solution

The fourth proportional to 28,305.12, 39,101.04 and 22,677.24 is: 31,326.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,305.12 : 39,101.04 = 22,677.24 : x
  2. Step 2: Convert to fraction form
    28,305.12/39,101.04 = 22,677.24/x
  3. Step 3: Cross multiply
    28,305.12x = 39,101.04 × 22,677.24
  4. Step 4: Simplify right side
    28,305.12x = 886,703,668.33
  5. Step 5: Solve for x
    x = 886,703,668.33/28,305.12
  6. Step 6: Final answer
    x = 31,326.62

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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.