Home / 27,055.80-37,337.82-15,119.64

Finding the Fourth Proportional to 27,055.80, 37,337.82 and 15,119.64

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Solution

The fourth proportional to 27,055.80, 37,337.82 and 15,119.64 is: 20,865.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,055.80 : 37,337.82 = 15,119.64 : x
  2. Step 2: Convert to fraction form
    27,055.80/37,337.82 = 15,119.64/x
  3. Step 3: Cross multiply
    27,055.80x = 37,337.82 × 15,119.64
  4. Step 4: Simplify right side
    27,055.80x = 564,534,396.78
  5. Step 5: Solve for x
    x = 564,534,396.78/27,055.80
  6. Step 6: Final answer
    x = 20,865.56

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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.