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Finding the Fourth Proportional to 19,024.50, 26,253.90 and 10,641

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Solution

The fourth proportional to 19,024.50, 26,253.90 and 10,641 is: 14,684.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,024.50 : 26,253.90 = 10,641 : x
  2. Step 2: Convert to fraction form
    19,024.50/26,253.90 = 10,641/x
  3. Step 3: Cross multiply
    19,024.50x = 26,253.90 × 10,641
  4. Step 4: Simplify right side
    19,024.50x = 279,367,749.90
  5. Step 5: Solve for x
    x = 279,367,749.90/19,024.50
  6. Step 6: Final answer
    x = 14,684.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.