Home / 27,357.06-40,994.56-21,107.71

Finding the Fourth Proportional to 27,357.06, 40,994.56 and 21,107.71

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Solution

The fourth proportional to 27,357.06, 40,994.56 and 21,107.71 is: 31,629.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,357.06 : 40,994.56 = 21,107.71 : x
  2. Step 2: Convert to fraction form
    27,357.06/40,994.56 = 21,107.71/x
  3. Step 3: Cross multiply
    27,357.06x = 40,994.56 × 21,107.71
  4. Step 4: Simplify right side
    27,357.06x = 865,301,284.06
  5. Step 5: Solve for x
    x = 865,301,284.06/27,357.06
  6. Step 6: Final answer
    x = 31,629.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.