Home / 21,026.22-29,006.60-13,957.35

Finding the Fourth Proportional to 21,026.22, 29,006.60 and 13,957.35

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Solution

The fourth proportional to 21,026.22, 29,006.60 and 13,957.35 is: 19,254.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,026.22 : 29,006.60 = 13,957.35 : x
  2. Step 2: Convert to fraction form
    21,026.22/29,006.60 = 13,957.35/x
  3. Step 3: Cross multiply
    21,026.22x = 29,006.60 × 13,957.35
  4. Step 4: Simplify right side
    21,026.22x = 404,855,268.51
  5. Step 5: Solve for x
    x = 404,855,268.51/21,026.22
  6. Step 6: Final answer
    x = 19,254.78

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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.