Home / 21,629.81-32,444.51-6,838.73

Finding the Fourth Proportional to 21,629.81, 32,444.51 and 6,838.73

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Solution

The fourth proportional to 21,629.81, 32,444.51 and 6,838.73 is: 10,258.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,629.81 : 32,444.51 = 6,838.73 : x
  2. Step 2: Convert to fraction form
    21,629.81/32,444.51 = 6,838.73/x
  3. Step 3: Cross multiply
    21,629.81x = 32,444.51 × 6,838.73
  4. Step 4: Simplify right side
    21,629.81x = 221,879,243.87
  5. Step 5: Solve for x
    x = 221,879,243.87/21,629.81
  6. Step 6: Final answer
    x = 10,258.03

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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.