Home / 28,450.06-39,244.14-18,384.42

Finding the Fourth Proportional to 28,450.06, 39,244.14 and 18,384.42

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Solution

The fourth proportional to 28,450.06, 39,244.14 and 18,384.42 is: 25,359.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,450.06 : 39,244.14 = 18,384.42 : x
  2. Step 2: Convert to fraction form
    28,450.06/39,244.14 = 18,384.42/x
  3. Step 3: Cross multiply
    28,450.06x = 39,244.14 × 18,384.42
  4. Step 4: Simplify right side
    28,450.06x = 721,480,752.30
  5. Step 5: Solve for x
    x = 721,480,752.30/28,450.06
  6. Step 6: Final answer
    x = 25,359.55

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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.