Home / 26,957.78-37,202.88-15,021.13

Finding the Fourth Proportional to 26,957.78, 37,202.88 and 15,021.13

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Solution

The fourth proportional to 26,957.78, 37,202.88 and 15,021.13 is: 20,729.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,957.78 : 37,202.88 = 15,021.13 : x
  2. Step 2: Convert to fraction form
    26,957.78/37,202.88 = 15,021.13/x
  3. Step 3: Cross multiply
    26,957.78x = 37,202.88 × 15,021.13
  4. Step 4: Simplify right side
    26,957.78x = 558,829,110.84
  5. Step 5: Solve for x
    x = 558,829,110.84/26,957.78
  6. Step 6: Final answer
    x = 20,729.79

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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.