Home / 32,420.28-44,741.24-18,272.82

Finding the Fourth Proportional to 32,420.28, 44,741.24 and 18,272.82

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Solution

The fourth proportional to 32,420.28, 44,741.24 and 18,272.82 is: 25,217.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,420.28 : 44,741.24 = 18,272.82 : x
  2. Step 2: Convert to fraction form
    32,420.28/44,741.24 = 18,272.82/x
  3. Step 3: Cross multiply
    32,420.28x = 44,741.24 × 18,272.82
  4. Step 4: Simplify right side
    32,420.28x = 817,548,533.73
  5. Step 5: Solve for x
    x = 817,548,533.73/32,420.28
  6. Step 6: Final answer
    x = 25,217.20

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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.