Home / 21,629.02-32,440.74-6,839.44

Finding the Fourth Proportional to 21,629.02, 32,440.74 and 6,839.44

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Solution

The fourth proportional to 21,629.02, 32,440.74 and 6,839.44 is: 10,258.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,629.02 : 32,440.74 = 6,839.44 : x
  2. Step 2: Convert to fraction form
    21,629.02/32,440.74 = 6,839.44/x
  3. Step 3: Cross multiply
    21,629.02x = 32,440.74 × 6,839.44
  4. Step 4: Simplify right side
    21,629.02x = 221,876,494.79
  5. Step 5: Solve for x
    x = 221,876,494.79/21,629.02
  6. Step 6: Final answer
    x = 10,258.28

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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.