Home / 27,590.78-38,074.56-16,107.89

Finding the Fourth Proportional to 27,590.78, 38,074.56 and 16,107.89

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Solution

The fourth proportional to 27,590.78, 38,074.56 and 16,107.89 is: 22,228.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,590.78 : 38,074.56 = 16,107.89 : x
  2. Step 2: Convert to fraction form
    27,590.78/38,074.56 = 16,107.89/x
  3. Step 3: Cross multiply
    27,590.78x = 38,074.56 × 16,107.89
  4. Step 4: Simplify right side
    27,590.78x = 613,300,824.28
  5. Step 5: Solve for x
    x = 613,300,824.28/27,590.78
  6. Step 6: Final answer
    x = 22,228.47

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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.