Home / 21,029.78-29,019.56-11,598.26

Finding the Fourth Proportional to 21,029.78, 29,019.56 and 11,598.26

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Solution

The fourth proportional to 21,029.78, 29,019.56 and 11,598.26 is: 16,004.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,029.78 : 29,019.56 = 11,598.26 : x
  2. Step 2: Convert to fraction form
    21,029.78/29,019.56 = 11,598.26/x
  3. Step 3: Cross multiply
    21,029.78x = 29,019.56 × 11,598.26
  4. Step 4: Simplify right side
    21,029.78x = 336,576,401.97
  5. Step 5: Solve for x
    x = 336,576,401.97/21,029.78
  6. Step 6: Final answer
    x = 16,004.75

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1.5x scale

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.