Home / 38,788.90-58,168.94-13,822.31

Finding the Fourth Proportional to 38,788.90, 58,168.94 and 13,822.31

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Solution

The fourth proportional to 38,788.90, 58,168.94 and 13,822.31 is: 20,728.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,788.90 : 58,168.94 = 13,822.31 : x
  2. Step 2: Convert to fraction form
    38,788.90/58,168.94 = 13,822.31/x
  3. Step 3: Cross multiply
    38,788.90x = 58,168.94 × 13,822.31
  4. Step 4: Simplify right side
    38,788.90x = 804,029,197.36
  5. Step 5: Solve for x
    x = 804,029,197.36/38,788.90
  6. Step 6: Final answer
    x = 20,728.33

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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.