Home / 19,342.54-29,048.31-15,839.23

Finding the Fourth Proportional to 19,342.54, 29,048.31 and 15,839.23

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Solution

The fourth proportional to 19,342.54, 29,048.31 and 15,839.23 is: 23,787.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,342.54 : 29,048.31 = 15,839.23 : x
  2. Step 2: Convert to fraction form
    19,342.54/29,048.31 = 15,839.23/x
  3. Step 3: Cross multiply
    19,342.54x = 29,048.31 × 15,839.23
  4. Step 4: Simplify right side
    19,342.54x = 460,102,863.20
  5. Step 5: Solve for x
    x = 460,102,863.20/19,342.54
  6. Step 6: Final answer
    x = 23,787.10

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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.