Home / 28,068.30-38,734.23-15,493.02

Finding the Fourth Proportional to 28,068.30, 38,734.23 and 15,493.02

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Solution

The fourth proportional to 28,068.30, 38,734.23 and 15,493.02 is: 21,380.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,068.30 : 38,734.23 = 15,493.02 : x
  2. Step 2: Convert to fraction form
    28,068.30/38,734.23 = 15,493.02/x
  3. Step 3: Cross multiply
    28,068.30x = 38,734.23 × 15,493.02
  4. Step 4: Simplify right side
    28,068.30x = 600,110,200.07
  5. Step 5: Solve for x
    x = 600,110,200.07/28,068.30
  6. Step 6: Final answer
    x = 21,380.35

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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.