Home / 21,629.89-32,444.63-6,838.81

Finding the Fourth Proportional to 21,629.89, 32,444.63 and 6,838.81

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Solution

The fourth proportional to 21,629.89, 32,444.63 and 6,838.81 is: 10,258.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,629.89 : 32,444.63 = 6,838.81 : x
  2. Step 2: Convert to fraction form
    21,629.89/32,444.63 = 6,838.81/x
  3. Step 3: Cross multiply
    21,629.89x = 32,444.63 × 6,838.81
  4. Step 4: Simplify right side
    21,629.89x = 221,882,791.40
  5. Step 5: Solve for x
    x = 221,882,791.40/21,629.89
  6. Step 6: Final answer
    x = 10,258.16

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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.