Home / 27,127.78-37,411.34-18,614.88

Finding the Fourth Proportional to 27,127.78, 37,411.34 and 18,614.88

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Solution

The fourth proportional to 27,127.78, 37,411.34 and 18,614.88 is: 25,671.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,127.78 : 37,411.34 = 18,614.88 : x
  2. Step 2: Convert to fraction form
    27,127.78/37,411.34 = 18,614.88/x
  3. Step 3: Cross multiply
    27,127.78x = 37,411.34 × 18,614.88
  4. Step 4: Simplify right side
    27,127.78x = 696,407,604.74
  5. Step 5: Solve for x
    x = 696,407,604.74/27,127.78
  6. Step 6: Final answer
    x = 25,671.38

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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.