Home / 21,628.16-32,447.08-6,837.96

Finding the Fourth Proportional to 21,628.16, 32,447.08 and 6,837.96

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Solution

The fourth proportional to 21,628.16, 32,447.08 and 6,837.96 is: 10,258.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,628.16 : 32,447.08 = 6,837.96 : x
  2. Step 2: Convert to fraction form
    21,628.16/32,447.08 = 6,837.96/x
  3. Step 3: Cross multiply
    21,628.16x = 32,447.08 × 6,837.96
  4. Step 4: Simplify right side
    21,628.16x = 221,871,835.16
  5. Step 5: Solve for x
    x = 221,871,835.16/21,628.16
  6. Step 6: Final answer
    x = 10,258.47

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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.