Home / 27,176.76-37,488-17,089.20

Finding the Fourth Proportional to 27,176.76, 37,488 and 17,089.20

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Solution

The fourth proportional to 27,176.76, 37,488 and 17,089.20 is: 23,573.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,176.76 : 37,488 = 17,089.20 : x
  2. Step 2: Convert to fraction form
    27,176.76/37,488 = 17,089.20/x
  3. Step 3: Cross multiply
    27,176.76x = 37,488 × 17,089.20
  4. Step 4: Simplify right side
    27,176.76x = 640,639,929.60
  5. Step 5: Solve for x
    x = 640,639,929.60/27,176.76
  6. Step 6: Final answer
    x = 23,573.08

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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.