Home / 21,809.36-32,862.43-17,947.24

Finding the Fourth Proportional to 21,809.36, 32,862.43 and 17,947.24

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Solution

The fourth proportional to 21,809.36, 32,862.43 and 17,947.24 is: 27,042.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,809.36 : 32,862.43 = 17,947.24 : x
  2. Step 2: Convert to fraction form
    21,809.36/32,862.43 = 17,947.24/x
  3. Step 3: Cross multiply
    21,809.36x = 32,862.43 × 17,947.24
  4. Step 4: Simplify right side
    21,809.36x = 589,789,918.19
  5. Step 5: Solve for x
    x = 589,789,918.19/21,809.36
  6. Step 6: Final answer
    x = 27,042.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.