Home / 28,982.10-40,014.51-22,255.66

Finding the Fourth Proportional to 28,982.10, 40,014.51 and 22,255.66

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Solution

The fourth proportional to 28,982.10, 40,014.51 and 22,255.66 is: 30,727.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,982.10 : 40,014.51 = 22,255.66 : x
  2. Step 2: Convert to fraction form
    28,982.10/40,014.51 = 22,255.66/x
  3. Step 3: Cross multiply
    28,982.10x = 40,014.51 × 22,255.66
  4. Step 4: Simplify right side
    28,982.10x = 890,549,296.19
  5. Step 5: Solve for x
    x = 890,549,296.19/28,982.10
  6. Step 6: Final answer
    x = 30,727.56

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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.