Home / 28,017.03-38,663.96-15,441.87

Finding the Fourth Proportional to 28,017.03, 38,663.96 and 15,441.87

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Solution

The fourth proportional to 28,017.03, 38,663.96 and 15,441.87 is: 21,310.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,017.03 : 38,663.96 = 15,441.87 : x
  2. Step 2: Convert to fraction form
    28,017.03/38,663.96 = 15,441.87/x
  3. Step 3: Cross multiply
    28,017.03x = 38,663.96 × 15,441.87
  4. Step 4: Simplify right side
    28,017.03x = 597,043,766.80
  5. Step 5: Solve for x
    x = 597,043,766.80/28,017.03
  6. Step 6: Final answer
    x = 21,310.03

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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.