Home / 27,777.24-38,292.68-19,805.60

Finding the Fourth Proportional to 27,777.24, 38,292.68 and 19,805.60

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Solution

The fourth proportional to 27,777.24, 38,292.68 and 19,805.60 is: 27,303.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,777.24 : 38,292.68 = 19,805.60 : x
  2. Step 2: Convert to fraction form
    27,777.24/38,292.68 = 19,805.60/x
  3. Step 3: Cross multiply
    27,777.24x = 38,292.68 × 19,805.60
  4. Step 4: Simplify right side
    27,777.24x = 758,409,503.01
  5. Step 5: Solve for x
    x = 758,409,503.01/27,777.24
  6. Step 6: Final answer
    x = 27,303.27

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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.