Home / 21,851.62-32,629.31-17,358.87

Finding the Fourth Proportional to 21,851.62, 32,629.31 and 17,358.87

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Solution

The fourth proportional to 21,851.62, 32,629.31 and 17,358.87 is: 25,920.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,851.62 : 32,629.31 = 17,358.87 : x
  2. Step 2: Convert to fraction form
    21,851.62/32,629.31 = 17,358.87/x
  3. Step 3: Cross multiply
    21,851.62x = 32,629.31 × 17,358.87
  4. Step 4: Simplify right side
    21,851.62x = 566,407,950.48
  5. Step 5: Solve for x
    x = 566,407,950.48/21,851.62
  6. Step 6: Final answer
    x = 25,920.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.