Home / 19,055.31-28,551.78-11,536.07

Finding the Fourth Proportional to 19,055.31, 28,551.78 and 11,536.07

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Solution

The fourth proportional to 19,055.31, 28,551.78 and 11,536.07 is: 17,285.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,055.31 : 28,551.78 = 11,536.07 : x
  2. Step 2: Convert to fraction form
    19,055.31/28,551.78 = 11,536.07/x
  3. Step 3: Cross multiply
    19,055.31x = 28,551.78 × 11,536.07
  4. Step 4: Simplify right side
    19,055.31x = 329,375,398.41
  5. Step 5: Solve for x
    x = 329,375,398.41/19,055.31
  6. Step 6: Final answer
    x = 17,285.23

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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.