Home / 21,868.51-32,799.25-7,825.93

Finding the Fourth Proportional to 21,868.51, 32,799.25 and 7,825.93

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Solution

The fourth proportional to 21,868.51, 32,799.25 and 7,825.93 is: 11,737.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,868.51 : 32,799.25 = 7,825.93 : x
  2. Step 2: Convert to fraction form
    21,868.51/32,799.25 = 7,825.93/x
  3. Step 3: Cross multiply
    21,868.51x = 32,799.25 × 7,825.93
  4. Step 4: Simplify right side
    21,868.51x = 256,684,634.55
  5. Step 5: Solve for x
    x = 256,684,634.55/21,868.51
  6. Step 6: Final answer
    x = 11,737.64

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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.