Home / 18,293.51-27,276.32-17,961.36

Finding the Fourth Proportional to 18,293.51, 27,276.32 and 17,961.36

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Solution

The fourth proportional to 18,293.51, 27,276.32 and 17,961.36 is: 26,781.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,293.51 : 27,276.32 = 17,961.36 : x
  2. Step 2: Convert to fraction form
    18,293.51/27,276.32 = 17,961.36/x
  3. Step 3: Cross multiply
    18,293.51x = 27,276.32 × 17,961.36
  4. Step 4: Simplify right side
    18,293.51x = 489,919,713.19
  5. Step 5: Solve for x
    x = 489,919,713.19/18,293.51
  6. Step 6: Final answer
    x = 26,781.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.