Home / 27,587.36-41,343.76-19,778.96

Finding the Fourth Proportional to 27,587.36, 41,343.76 and 19,778.96

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Solution

The fourth proportional to 27,587.36, 41,343.76 and 19,778.96 is: 29,641.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,587.36 : 41,343.76 = 19,778.96 : x
  2. Step 2: Convert to fraction form
    27,587.36/41,343.76 = 19,778.96/x
  3. Step 3: Cross multiply
    27,587.36x = 41,343.76 × 19,778.96
  4. Step 4: Simplify right side
    27,587.36x = 817,736,575.29
  5. Step 5: Solve for x
    x = 817,736,575.29/27,587.36
  6. Step 6: Final answer
    x = 29,641.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.