Home / 32,772.25-45,229.55-18,627.22

Finding the Fourth Proportional to 32,772.25, 45,229.55 and 18,627.22

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Solution

The fourth proportional to 32,772.25, 45,229.55 and 18,627.22 is: 25,707.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,772.25 : 45,229.55 = 18,627.22 : x
  2. Step 2: Convert to fraction form
    32,772.25/45,229.55 = 18,627.22/x
  3. Step 3: Cross multiply
    32,772.25x = 45,229.55 × 18,627.22
  4. Step 4: Simplify right side
    32,772.25x = 842,500,459.07
  5. Step 5: Solve for x
    x = 842,500,459.07/32,772.25
  6. Step 6: Final answer
    x = 25,707.74

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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.