Home / 27,726.96-38,272.32-22,072.08

Finding the Fourth Proportional to 27,726.96, 38,272.32 and 22,072.08

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Solution

The fourth proportional to 27,726.96, 38,272.32 and 22,072.08 is: 30,466.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,726.96 : 38,272.32 = 22,072.08 : x
  2. Step 2: Convert to fraction form
    27,726.96/38,272.32 = 22,072.08/x
  3. Step 3: Cross multiply
    27,726.96x = 38,272.32 × 22,072.08
  4. Step 4: Simplify right side
    27,726.96x = 844,749,708.83
  5. Step 5: Solve for x
    x = 844,749,708.83/27,726.96
  6. Step 6: Final answer
    x = 30,466.73

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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.