Home / 21,775.77-30,036.24-17,292.42

Finding the Fourth Proportional to 21,775.77, 30,036.24 and 17,292.42

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Solution

The fourth proportional to 21,775.77, 30,036.24 and 17,292.42 is: 23,852.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,775.77 : 30,036.24 = 17,292.42 : x
  2. Step 2: Convert to fraction form
    21,775.77/30,036.24 = 17,292.42/x
  3. Step 3: Cross multiply
    21,775.77x = 30,036.24 × 17,292.42
  4. Step 4: Simplify right side
    21,775.77x = 519,399,277.30
  5. Step 5: Solve for x
    x = 519,399,277.30/21,775.77
  6. Step 6: Final answer
    x = 23,852.17

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Double scale
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Similar ratio
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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.