Home / 19,578.51-29,330.78-15,174.41

Finding the Fourth Proportional to 19,578.51, 29,330.78 and 15,174.41

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Solution

The fourth proportional to 19,578.51, 29,330.78 and 15,174.41 is: 22,732.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,578.51 : 29,330.78 = 15,174.41 : x
  2. Step 2: Convert to fraction form
    19,578.51/29,330.78 = 15,174.41/x
  3. Step 3: Cross multiply
    19,578.51x = 29,330.78 × 15,174.41
  4. Step 4: Simplify right side
    19,578.51x = 445,077,058.81
  5. Step 5: Solve for x
    x = 445,077,058.81/19,578.51
  6. Step 6: Final answer
    x = 22,732.94

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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.