Home / 28,630.12-39,524.44-22,242.48

Finding the Fourth Proportional to 28,630.12, 39,524.44 and 22,242.48

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Solution

The fourth proportional to 28,630.12, 39,524.44 and 22,242.48 is: 30,706.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,630.12 : 39,524.44 = 22,242.48 : x
  2. Step 2: Convert to fraction form
    28,630.12/39,524.44 = 22,242.48/x
  3. Step 3: Cross multiply
    28,630.12x = 39,524.44 × 22,242.48
  4. Step 4: Simplify right side
    28,630.12x = 879,121,566.21
  5. Step 5: Solve for x
    x = 879,121,566.21/28,630.12
  6. Step 6: Final answer
    x = 30,706.18

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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.