Home / 27,739.30-38,277.28-16,409.22

Finding the Fourth Proportional to 27,739.30, 38,277.28 and 16,409.22

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Solution

The fourth proportional to 27,739.30, 38,277.28 and 16,409.22 is: 22,642.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,739.30 : 38,277.28 = 16,409.22 : x
  2. Step 2: Convert to fraction form
    27,739.30/38,277.28 = 16,409.22/x
  3. Step 3: Cross multiply
    27,739.30x = 38,277.28 × 16,409.22
  4. Step 4: Simplify right side
    27,739.30x = 628,100,308.52
  5. Step 5: Solve for x
    x = 628,100,308.52/27,739.30
  6. Step 6: Final answer
    x = 22,642.98

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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.