Home / 21,029.10-29,026.11-14,743.02

Finding the Fourth Proportional to 21,029.10, 29,026.11 and 14,743.02

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Solution

The fourth proportional to 21,029.10, 29,026.11 and 14,743.02 is: 20,349.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,029.10 : 29,026.11 = 14,743.02 : x
  2. Step 2: Convert to fraction form
    21,029.10/29,026.11 = 14,743.02/x
  3. Step 3: Cross multiply
    21,029.10x = 29,026.11 × 14,743.02
  4. Step 4: Simplify right side
    21,029.10x = 427,932,520.25
  5. Step 5: Solve for x
    x = 427,932,520.25/21,029.10
  6. Step 6: Final answer
    x = 20,349.54

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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.