Home / 18,105.24-27,085.14-15,666.60

Finding the Fourth Proportional to 18,105.24, 27,085.14 and 15,666.60

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Solution

The fourth proportional to 18,105.24, 27,085.14 and 15,666.60 is: 23,436.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,105.24 : 27,085.14 = 15,666.60 : x
  2. Step 2: Convert to fraction form
    18,105.24/27,085.14 = 15,666.60/x
  3. Step 3: Cross multiply
    18,105.24x = 27,085.14 × 15,666.60
  4. Step 4: Simplify right side
    18,105.24x = 424,332,054.32
  5. Step 5: Solve for x
    x = 424,332,054.32/18,105.24
  6. Step 6: Final answer
    x = 23,436.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.