Home / 28,026.72-38,677-15,452.32

Finding the Fourth Proportional to 28,026.72, 38,677 and 15,452.32

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Solution

The fourth proportional to 28,026.72, 38,677 and 15,452.32 is: 21,324.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,026.72 : 38,677 = 15,452.32 : x
  2. Step 2: Convert to fraction form
    28,026.72/38,677 = 15,452.32/x
  3. Step 3: Cross multiply
    28,026.72x = 38,677 × 15,452.32
  4. Step 4: Simplify right side
    28,026.72x = 597,649,380.64
  5. Step 5: Solve for x
    x = 597,649,380.64/28,026.72
  6. Step 6: Final answer
    x = 21,324.27

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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.