Home / 23,141.32-31,919.70-14,768.20

Finding the Fourth Proportional to 23,141.32, 31,919.70 and 14,768.20

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Solution

The fourth proportional to 23,141.32, 31,919.70 and 14,768.20 is: 20,370.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,141.32 : 31,919.70 = 14,768.20 : x
  2. Step 2: Convert to fraction form
    23,141.32/31,919.70 = 14,768.20/x
  3. Step 3: Cross multiply
    23,141.32x = 31,919.70 × 14,768.20
  4. Step 4: Simplify right side
    23,141.32x = 471,396,513.54
  5. Step 5: Solve for x
    x = 471,396,513.54/23,141.32
  6. Step 6: Final answer
    x = 20,370.34

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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.