Home / 38,287.90-57,408.33-14,887.06

Finding the Fourth Proportional to 38,287.90, 57,408.33 and 14,887.06

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Solution

The fourth proportional to 38,287.90, 57,408.33 and 14,887.06 is: 22,321.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,287.90 : 57,408.33 = 14,887.06 : x
  2. Step 2: Convert to fraction form
    38,287.90/57,408.33 = 14,887.06/x
  3. Step 3: Cross multiply
    38,287.90x = 57,408.33 × 14,887.06
  4. Step 4: Simplify right side
    38,287.90x = 854,641,253.21
  5. Step 5: Solve for x
    x = 854,641,253.21/38,287.90
  6. Step 6: Final answer
    x = 22,321.44

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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.