Home / 27,622.56-38,117.32-16,291.52

Finding the Fourth Proportional to 27,622.56, 38,117.32 and 16,291.52

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Solution

The fourth proportional to 27,622.56, 38,117.32 and 16,291.52 is: 22,481.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,622.56 : 38,117.32 = 16,291.52 : x
  2. Step 2: Convert to fraction form
    27,622.56/38,117.32 = 16,291.52/x
  3. Step 3: Cross multiply
    27,622.56x = 38,117.32 × 16,291.52
  4. Step 4: Simplify right side
    27,622.56x = 620,989,081.13
  5. Step 5: Solve for x
    x = 620,989,081.13/27,622.56
  6. Step 6: Final answer
    x = 22,481.23

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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.