Home / 23,201.89-31,937.33-20,212.54

Finding the Fourth Proportional to 23,201.89, 31,937.33 and 20,212.54

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Solution

The fourth proportional to 23,201.89, 31,937.33 and 20,212.54 is: 27,822.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,201.89 : 31,937.33 = 20,212.54 : x
  2. Step 2: Convert to fraction form
    23,201.89/31,937.33 = 20,212.54/x
  3. Step 3: Cross multiply
    23,201.89x = 31,937.33 × 20,212.54
  4. Step 4: Simplify right side
    23,201.89x = 645,534,530.81
  5. Step 5: Solve for x
    x = 645,534,530.81/23,201.89
  6. Step 6: Final answer
    x = 27,822.50

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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.