Home / 27,957.14-38,564.47-17,881.90

Finding the Fourth Proportional to 27,957.14, 38,564.47 and 17,881.90

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Solution

The fourth proportional to 27,957.14, 38,564.47 and 17,881.90 is: 24,666.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,957.14 : 38,564.47 = 17,881.90 : x
  2. Step 2: Convert to fraction form
    27,957.14/38,564.47 = 17,881.90/x
  3. Step 3: Cross multiply
    27,957.14x = 38,564.47 × 17,881.90
  4. Step 4: Simplify right side
    27,957.14x = 689,605,996.09
  5. Step 5: Solve for x
    x = 689,605,996.09/27,957.14
  6. Step 6: Final answer
    x = 24,666.54

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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.