Home / 38,018.80-57,028.20-22,272.40

Finding the Fourth Proportional to 38,018.80, 57,028.20 and 22,272.40

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Solution

The fourth proportional to 38,018.80, 57,028.20 and 22,272.40 is: 33,408.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,018.80 : 57,028.20 = 22,272.40 : x
  2. Step 2: Convert to fraction form
    38,018.80/57,028.20 = 22,272.40/x
  3. Step 3: Cross multiply
    38,018.80x = 57,028.20 × 22,272.40
  4. Step 4: Simplify right side
    38,018.80x = 1,270,154,881.68
  5. Step 5: Solve for x
    x = 1,270,154,881.68/38,018.80
  6. Step 6: Final answer
    x = 33,408.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.