Home / 27,189.48-37,515.78-17,771.88

Finding the Fourth Proportional to 27,189.48, 37,515.78 and 17,771.88

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Solution

The fourth proportional to 27,189.48, 37,515.78 and 17,771.88 is: 24,521.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,189.48 : 37,515.78 = 17,771.88 : x
  2. Step 2: Convert to fraction form
    27,189.48/37,515.78 = 17,771.88/x
  3. Step 3: Cross multiply
    27,189.48x = 37,515.78 × 17,771.88
  4. Step 4: Simplify right side
    27,189.48x = 666,725,940.27
  5. Step 5: Solve for x
    x = 666,725,940.27/27,189.48
  6. Step 6: Final answer
    x = 24,521.47

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1.5x scale

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.