Home / 38,977.20-53,775.90-27,648.54

Finding the Fourth Proportional to 38,977.20, 53,775.90 and 27,648.54

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Solution

The fourth proportional to 38,977.20, 53,775.90 and 27,648.54 is: 38,146.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,977.20 : 53,775.90 = 27,648.54 : x
  2. Step 2: Convert to fraction form
    38,977.20/53,775.90 = 27,648.54/x
  3. Step 3: Cross multiply
    38,977.20x = 53,775.90 × 27,648.54
  4. Step 4: Simplify right side
    38,977.20x = 1,486,825,122.19
  5. Step 5: Solve for x
    x = 1,486,825,122.19/38,977.20
  6. Step 6: Final answer
    x = 38,146.02

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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.