Home / 21,010.98-29,036.94-17,228.28

Finding the Fourth Proportional to 21,010.98, 29,036.94 and 17,228.28

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Solution

The fourth proportional to 21,010.98, 29,036.94 and 17,228.28 is: 23,809.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,010.98 : 29,036.94 = 17,228.28 : x
  2. Step 2: Convert to fraction form
    21,010.98/29,036.94 = 17,228.28/x
  3. Step 3: Cross multiply
    21,010.98x = 29,036.94 × 17,228.28
  4. Step 4: Simplify right side
    21,010.98x = 500,256,532.66
  5. Step 5: Solve for x
    x = 500,256,532.66/21,010.98
  6. Step 6: Final answer
    x = 23,809.29

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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.