Home / 21,642.36-32,469.27-6,851.52

Finding the Fourth Proportional to 21,642.36, 32,469.27 and 6,851.52

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Solution

The fourth proportional to 21,642.36, 32,469.27 and 6,851.52 is: 10,279.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,642.36 : 32,469.27 = 6,851.52 : x
  2. Step 2: Convert to fraction form
    21,642.36/32,469.27 = 6,851.52/x
  3. Step 3: Cross multiply
    21,642.36x = 32,469.27 × 6,851.52
  4. Step 4: Simplify right side
    21,642.36x = 222,463,852.79
  5. Step 5: Solve for x
    x = 222,463,852.79/21,642.36
  6. Step 6: Final answer
    x = 10,279.09

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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.