Home / 21,036.96-29,072.80-17,254.24

Finding the Fourth Proportional to 21,036.96, 29,072.80 and 17,254.24

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Solution

The fourth proportional to 21,036.96, 29,072.80 and 17,254.24 is: 23,845.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,036.96 : 29,072.80 = 17,254.24 : x
  2. Step 2: Convert to fraction form
    21,036.96/29,072.80 = 17,254.24/x
  3. Step 3: Cross multiply
    21,036.96x = 29,072.80 × 17,254.24
  4. Step 4: Simplify right side
    21,036.96x = 501,629,068.67
  5. Step 5: Solve for x
    x = 501,629,068.67/21,036.96
  6. Step 6: Final answer
    x = 23,845.13

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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.