Home / 27,909.48-38,504.16-15,966.42

Finding the Fourth Proportional to 27,909.48, 38,504.16 and 15,966.42

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Solution

The fourth proportional to 27,909.48, 38,504.16 and 15,966.42 is: 22,027.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,909.48 : 38,504.16 = 15,966.42 : x
  2. Step 2: Convert to fraction form
    27,909.48/38,504.16 = 15,966.42/x
  3. Step 3: Cross multiply
    27,909.48x = 38,504.16 × 15,966.42
  4. Step 4: Simplify right side
    27,909.48x = 614,773,590.31
  5. Step 5: Solve for x
    x = 614,773,590.31/27,909.48
  6. Step 6: Final answer
    x = 22,027.41

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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.