Home / 27,606.94-38,094.71-15,508.78

Finding the Fourth Proportional to 27,606.94, 38,094.71 and 15,508.78

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Solution

The fourth proportional to 27,606.94, 38,094.71 and 15,508.78 is: 21,400.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,606.94 : 38,094.71 = 15,508.78 : x
  2. Step 2: Convert to fraction form
    27,606.94/38,094.71 = 15,508.78/x
  3. Step 3: Cross multiply
    27,606.94x = 38,094.71 × 15,508.78
  4. Step 4: Simplify right side
    27,606.94x = 590,802,476.55
  5. Step 5: Solve for x
    x = 590,802,476.55/27,606.94
  6. Step 6: Final answer
    x = 21,400.51

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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.