Home / 27,911.48-38,442.96-25,809.44

Finding the Fourth Proportional to 27,911.48, 38,442.96 and 25,809.44

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Solution

The fourth proportional to 27,911.48, 38,442.96 and 25,809.44 is: 35,547.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,911.48 : 38,442.96 = 25,809.44 : x
  2. Step 2: Convert to fraction form
    27,911.48/38,442.96 = 25,809.44/x
  3. Step 3: Cross multiply
    27,911.48x = 38,442.96 × 25,809.44
  4. Step 4: Simplify right side
    27,911.48x = 992,191,269.54
  5. Step 5: Solve for x
    x = 992,191,269.54/27,911.48
  6. Step 6: Final answer
    x = 35,547.78

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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.