Home / 23,072.79-31,819.41-15,112.11

Finding the Fourth Proportional to 23,072.79, 31,819.41 and 15,112.11

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Solution

The fourth proportional to 23,072.79, 31,819.41 and 15,112.11 is: 20,840.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,072.79 : 31,819.41 = 15,112.11 : x
  2. Step 2: Convert to fraction form
    23,072.79/31,819.41 = 15,112.11/x
  3. Step 3: Cross multiply
    23,072.79x = 31,819.41 × 15,112.11
  4. Step 4: Simplify right side
    23,072.79x = 480,858,424.06
  5. Step 5: Solve for x
    x = 480,858,424.06/23,072.79
  6. Step 6: Final answer
    x = 20,840.93

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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.