Home / 27,126.76-37,436.28-15,189.34

Finding the Fourth Proportional to 27,126.76, 37,436.28 and 15,189.34

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Solution

The fourth proportional to 27,126.76, 37,436.28 and 15,189.34 is: 20,962.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,126.76 : 37,436.28 = 15,189.34 : x
  2. Step 2: Convert to fraction form
    27,126.76/37,436.28 = 15,189.34/x
  3. Step 3: Cross multiply
    27,126.76x = 37,436.28 × 15,189.34
  4. Step 4: Simplify right side
    27,126.76x = 568,632,385.26
  5. Step 5: Solve for x
    x = 568,632,385.26/27,126.76
  6. Step 6: Final answer
    x = 20,962.05

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Double scale
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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.