Home / 22,659.11-31,256.97-21,055.45

Finding the Fourth Proportional to 22,659.11, 31,256.97 and 21,055.45

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Solution

The fourth proportional to 22,659.11, 31,256.97 and 21,055.45 is: 29,044.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,659.11 : 31,256.97 = 21,055.45 : x
  2. Step 2: Convert to fraction form
    22,659.11/31,256.97 = 21,055.45/x
  3. Step 3: Cross multiply
    22,659.11x = 31,256.97 × 21,055.45
  4. Step 4: Simplify right side
    22,659.11x = 658,129,568.99
  5. Step 5: Solve for x
    x = 658,129,568.99/22,659.11
  6. Step 6: Final answer
    x = 29,044.81

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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.