Home / 28,068.28-38,734.37-15,493.03

Finding the Fourth Proportional to 28,068.28, 38,734.37 and 15,493.03

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Solution

The fourth proportional to 28,068.28, 38,734.37 and 15,493.03 is: 21,380.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,068.28 : 38,734.37 = 15,493.03 : x
  2. Step 2: Convert to fraction form
    28,068.28/38,734.37 = 15,493.03/x
  3. Step 3: Cross multiply
    28,068.28x = 38,734.37 × 15,493.03
  4. Step 4: Simplify right side
    28,068.28x = 600,112,640.24
  5. Step 5: Solve for x
    x = 600,112,640.24/28,068.28
  6. Step 6: Final answer
    x = 21,380.46

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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.