Home / 27,116.16-37,417.92-15,936

Finding the Fourth Proportional to 27,116.16, 37,417.92 and 15,936

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Solution

The fourth proportional to 27,116.16, 37,417.92 and 15,936 is: 21,990.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,116.16 : 37,417.92 = 15,936 : x
  2. Step 2: Convert to fraction form
    27,116.16/37,417.92 = 15,936/x
  3. Step 3: Cross multiply
    27,116.16x = 37,417.92 × 15,936
  4. Step 4: Simplify right side
    27,116.16x = 596,291,973.12
  5. Step 5: Solve for x
    x = 596,291,973.12/27,116.16
  6. Step 6: Final answer
    x = 21,990.28

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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.