Home / 21,577.08-29,772.66-19,833.08

Finding the Fourth Proportional to 21,577.08, 29,772.66 and 19,833.08

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Solution

The fourth proportional to 21,577.08, 29,772.66 and 19,833.08 is: 27,366.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,577.08 : 29,772.66 = 19,833.08 : x
  2. Step 2: Convert to fraction form
    21,577.08/29,772.66 = 19,833.08/x
  3. Step 3: Cross multiply
    21,577.08x = 29,772.66 × 19,833.08
  4. Step 4: Simplify right side
    21,577.08x = 590,483,398.73
  5. Step 5: Solve for x
    x = 590,483,398.73/21,577.08
  6. Step 6: Final answer
    x = 27,366.23

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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.