Home / 27,129.66-37,440.71-15,193.76

Finding the Fourth Proportional to 27,129.66, 37,440.71 and 15,193.76

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Solution

The fourth proportional to 27,129.66, 37,440.71 and 15,193.76 is: 20,968.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,129.66 : 37,440.71 = 15,193.76 : x
  2. Step 2: Convert to fraction form
    27,129.66/37,440.71 = 15,193.76/x
  3. Step 3: Cross multiply
    27,129.66x = 37,440.71 × 15,193.76
  4. Step 4: Simplify right side
    27,129.66x = 568,864,898.80
  5. Step 5: Solve for x
    x = 568,864,898.80/27,129.66
  6. Step 6: Final answer
    x = 20,968.38

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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.