Home / 28,236.56-42,339.38-13,022.62

Finding the Fourth Proportional to 28,236.56, 42,339.38 and 13,022.62

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Solution

The fourth proportional to 28,236.56, 42,339.38 and 13,022.62 is: 19,526.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,236.56 : 42,339.38 = 13,022.62 : x
  2. Step 2: Convert to fraction form
    28,236.56/42,339.38 = 13,022.62/x
  3. Step 3: Cross multiply
    28,236.56x = 42,339.38 × 13,022.62
  4. Step 4: Simplify right side
    28,236.56x = 551,369,522.44
  5. Step 5: Solve for x
    x = 551,369,522.44/28,236.56
  6. Step 6: Final answer
    x = 19,526.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.