Home / 38,255.96-52,793.02-21,028.72

Finding the Fourth Proportional to 38,255.96, 52,793.02 and 21,028.72

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Solution

The fourth proportional to 38,255.96, 52,793.02 and 21,028.72 is: 29,019.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,255.96 : 52,793.02 = 21,028.72 : x
  2. Step 2: Convert to fraction form
    38,255.96/52,793.02 = 21,028.72/x
  3. Step 3: Cross multiply
    38,255.96x = 52,793.02 × 21,028.72
  4. Step 4: Simplify right side
    38,255.96x = 1,110,169,635.53
  5. Step 5: Solve for x
    x = 1,110,169,635.53/38,255.96
  6. Step 6: Final answer
    x = 29,019.52

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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.