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Finding the Fourth Proportional to 27,210.30, 37,552.78 and 15,878.88

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Solution

The fourth proportional to 27,210.30, 37,552.78 and 15,878.88 is: 21,914.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,210.30 : 37,552.78 = 15,878.88 : x
  2. Step 2: Convert to fraction form
    27,210.30/37,552.78 = 15,878.88/x
  3. Step 3: Cross multiply
    27,210.30x = 37,552.78 × 15,878.88
  4. Step 4: Simplify right side
    27,210.30x = 596,296,087.29
  5. Step 5: Solve for x
    x = 596,296,087.29/27,210.30
  6. Step 6: Final answer
    x = 21,914.35

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.