Home / 22,727.32-31,353.58-13,291.72

Finding the Fourth Proportional to 22,727.32, 31,353.58 and 13,291.72

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Solution

The fourth proportional to 22,727.32, 31,353.58 and 13,291.72 is: 18,336.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,727.32 : 31,353.58 = 13,291.72 : x
  2. Step 2: Convert to fraction form
    22,727.32/31,353.58 = 13,291.72/x
  3. Step 3: Cross multiply
    22,727.32x = 31,353.58 × 13,291.72
  4. Step 4: Simplify right side
    22,727.32x = 416,743,006.36
  5. Step 5: Solve for x
    x = 416,743,006.36/22,727.32
  6. Step 6: Final answer
    x = 18,336.65

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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.