Home / 23,223.72-34,880.40-19,899.48

Finding the Fourth Proportional to 23,223.72, 34,880.40 and 19,899.48

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Solution

The fourth proportional to 23,223.72, 34,880.40 and 19,899.48 is: 29,887.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,223.72 : 34,880.40 = 19,899.48 : x
  2. Step 2: Convert to fraction form
    23,223.72/34,880.40 = 19,899.48/x
  3. Step 3: Cross multiply
    23,223.72x = 34,880.40 × 19,899.48
  4. Step 4: Simplify right side
    23,223.72x = 694,101,822.19
  5. Step 5: Solve for x
    x = 694,101,822.19/23,223.72
  6. Step 6: Final answer
    x = 29,887.62

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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.