Home / 23,209.92-31,906.55-19,967.93

Finding the Fourth Proportional to 23,209.92, 31,906.55 and 19,967.93

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Solution

The fourth proportional to 23,209.92, 31,906.55 and 19,967.93 is: 27,449.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,209.92 : 31,906.55 = 19,967.93 : x
  2. Step 2: Convert to fraction form
    23,209.92/31,906.55 = 19,967.93/x
  3. Step 3: Cross multiply
    23,209.92x = 31,906.55 × 19,967.93
  4. Step 4: Simplify right side
    23,209.92x = 637,107,886.63
  5. Step 5: Solve for x
    x = 637,107,886.63/23,209.92
  6. Step 6: Final answer
    x = 27,449.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.