Home / 27,739.57-38,297.70-18,058.32

Finding the Fourth Proportional to 27,739.57, 38,297.70 and 18,058.32

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Solution

The fourth proportional to 27,739.57, 38,297.70 and 18,058.32 is: 24,931.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,739.57 : 38,297.70 = 18,058.32 : x
  2. Step 2: Convert to fraction form
    27,739.57/38,297.70 = 18,058.32/x
  3. Step 3: Cross multiply
    27,739.57x = 38,297.70 × 18,058.32
  4. Step 4: Simplify right side
    27,739.57x = 691,592,121.86
  5. Step 5: Solve for x
    x = 691,592,121.86/27,739.57
  6. Step 6: Final answer
    x = 24,931.61

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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.