Home / 27,909.47-38,493.85-19,309.96

Finding the Fourth Proportional to 27,909.47, 38,493.85 and 19,309.96

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Solution

The fourth proportional to 27,909.47, 38,493.85 and 19,309.96 is: 26,633.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,909.47 : 38,493.85 = 19,309.96 : x
  2. Step 2: Convert to fraction form
    27,909.47/38,493.85 = 19,309.96/x
  3. Step 3: Cross multiply
    27,909.47x = 38,493.85 × 19,309.96
  4. Step 4: Simplify right side
    27,909.47x = 743,314,739.79
  5. Step 5: Solve for x
    x = 743,314,739.79/27,909.47
  6. Step 6: Final answer
    x = 26,633.07

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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.