Home / 26,877.78-37,079.73-16,788.66

Finding the Fourth Proportional to 26,877.78, 37,079.73 and 16,788.66

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Solution

The fourth proportional to 26,877.78, 37,079.73 and 16,788.66 is: 23,161.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,877.78 : 37,079.73 = 16,788.66 : x
  2. Step 2: Convert to fraction form
    26,877.78/37,079.73 = 16,788.66/x
  3. Step 3: Cross multiply
    26,877.78x = 37,079.73 × 16,788.66
  4. Step 4: Simplify right side
    26,877.78x = 622,518,979.86
  5. Step 5: Solve for x
    x = 622,518,979.86/26,877.78
  6. Step 6: Final answer
    x = 23,161.10

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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.