Home / 28,047.33-42,081.26-13,245.12

Finding the Fourth Proportional to 28,047.33, 42,081.26 and 13,245.12

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Solution

The fourth proportional to 28,047.33, 42,081.26 and 13,245.12 is: 19,872.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,047.33 : 42,081.26 = 13,245.12 : x
  2. Step 2: Convert to fraction form
    28,047.33/42,081.26 = 13,245.12/x
  3. Step 3: Cross multiply
    28,047.33x = 42,081.26 × 13,245.12
  4. Step 4: Simplify right side
    28,047.33x = 557,371,272.23
  5. Step 5: Solve for x
    x = 557,371,272.23/28,047.33
  6. Step 6: Final answer
    x = 19,872.53

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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.