Home / 21,755.25-30,036.74-16,710.48

Finding the Fourth Proportional to 21,755.25, 30,036.74 and 16,710.48

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Solution

The fourth proportional to 21,755.25, 30,036.74 and 16,710.48 is: 23,071.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,755.25 : 30,036.74 = 16,710.48 : x
  2. Step 2: Convert to fraction form
    21,755.25/30,036.74 = 16,710.48/x
  3. Step 3: Cross multiply
    21,755.25x = 30,036.74 × 16,710.48
  4. Step 4: Simplify right side
    21,755.25x = 501,928,259.48
  5. Step 5: Solve for x
    x = 501,928,259.48/21,755.25
  6. Step 6: Final answer
    x = 23,071.59

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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.