Home / 21,867.51-32,797.75-7,824.93

Finding the Fourth Proportional to 21,867.51, 32,797.75 and 7,824.93

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Solution

The fourth proportional to 21,867.51, 32,797.75 and 7,824.93 is: 11,736.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,867.51 : 32,797.75 = 7,824.93 : x
  2. Step 2: Convert to fraction form
    21,867.51/32,797.75 = 7,824.93/x
  3. Step 3: Cross multiply
    21,867.51x = 32,797.75 × 7,824.93
  4. Step 4: Simplify right side
    21,867.51x = 256,640,097.91
  5. Step 5: Solve for x
    x = 256,640,097.91/21,867.51
  6. Step 6: Final answer
    x = 11,736.14

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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.