Home / 21,029.22-29,017.26-13,068.54

Finding the Fourth Proportional to 21,029.22, 29,017.26 and 13,068.54

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Solution

The fourth proportional to 21,029.22, 29,017.26 and 13,068.54 is: 18,032.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,029.22 : 29,017.26 = 13,068.54 : x
  2. Step 2: Convert to fraction form
    21,029.22/29,017.26 = 13,068.54/x
  3. Step 3: Cross multiply
    21,029.22x = 29,017.26 × 13,068.54
  4. Step 4: Simplify right side
    21,029.22x = 379,213,223.00
  5. Step 5: Solve for x
    x = 379,213,223.00/21,029.22
  6. Step 6: Final answer
    x = 18,032.68

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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.