Home / 20,071.17-27,721.80-16,051.95

Finding the Fourth Proportional to 20,071.17, 27,721.80 and 16,051.95

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Solution

The fourth proportional to 20,071.17, 27,721.80 and 16,051.95 is: 22,170.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,071.17 : 27,721.80 = 16,051.95 : x
  2. Step 2: Convert to fraction form
    20,071.17/27,721.80 = 16,051.95/x
  3. Step 3: Cross multiply
    20,071.17x = 27,721.80 × 16,051.95
  4. Step 4: Simplify right side
    20,071.17x = 444,988,947.51
  5. Step 5: Solve for x
    x = 444,988,947.51/20,071.17
  6. Step 6: Final answer
    x = 22,170.55

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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.