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Finding the Fourth Proportional to 32,428.42, 44,751.22 and 18,281.27

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Solution

The fourth proportional to 32,428.42, 44,751.22 and 18,281.27 is: 25,228.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,428.42 : 44,751.22 = 18,281.27 : x
  2. Step 2: Convert to fraction form
    32,428.42/44,751.22 = 18,281.27/x
  3. Step 3: Cross multiply
    32,428.42x = 44,751.22 × 18,281.27
  4. Step 4: Simplify right side
    32,428.42x = 818,109,135.65
  5. Step 5: Solve for x
    x = 818,109,135.65/32,428.42
  6. Step 6: Final answer
    x = 25,228.15

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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.