Home / 31,727.65-43,788.75-18,296.23

Finding the Fourth Proportional to 31,727.65, 43,788.75 and 18,296.23

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Solution

The fourth proportional to 31,727.65, 43,788.75 and 18,296.23 is: 25,251.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,727.65 : 43,788.75 = 18,296.23 : x
  2. Step 2: Convert to fraction form
    31,727.65/43,788.75 = 18,296.23/x
  3. Step 3: Cross multiply
    31,727.65x = 43,788.75 × 18,296.23
  4. Step 4: Simplify right side
    31,727.65x = 801,168,931.94
  5. Step 5: Solve for x
    x = 801,168,931.94/31,727.65
  6. Step 6: Final answer
    x = 25,251.44

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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.