Home / 27,637.32-38,139.94-15,701

Finding the Fourth Proportional to 27,637.32, 38,139.94 and 15,701

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Solution

The fourth proportional to 27,637.32, 38,139.94 and 15,701 is: 21,667.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,637.32 : 38,139.94 = 15,701 : x
  2. Step 2: Convert to fraction form
    27,637.32/38,139.94 = 15,701/x
  3. Step 3: Cross multiply
    27,637.32x = 38,139.94 × 15,701
  4. Step 4: Simplify right side
    27,637.32x = 598,835,197.94
  5. Step 5: Solve for x
    x = 598,835,197.94/27,637.32
  6. Step 6: Final answer
    x = 21,667.63

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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.