Home / 28,068.26-38,734.20-15,493.01

Finding the Fourth Proportional to 28,068.26, 38,734.20 and 15,493.01

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Solution

The fourth proportional to 28,068.26, 38,734.20 and 15,493.01 is: 21,380.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,068.26 : 38,734.20 = 15,493.01 : x
  2. Step 2: Convert to fraction form
    28,068.26/38,734.20 = 15,493.01/x
  3. Step 3: Cross multiply
    28,068.26x = 38,734.20 × 15,493.01
  4. Step 4: Simplify right side
    28,068.26x = 600,109,154.27
  5. Step 5: Solve for x
    x = 600,109,154.27/28,068.26
  6. Step 6: Final answer
    x = 21,380.35

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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.