Home / 27,236.16-37,622.88-21,342.24

Finding the Fourth Proportional to 27,236.16, 37,622.88 and 21,342.24

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Solution

The fourth proportional to 27,236.16, 37,622.88 and 21,342.24 is: 29,481.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,236.16 : 37,622.88 = 21,342.24 : x
  2. Step 2: Convert to fraction form
    27,236.16/37,622.88 = 21,342.24/x
  3. Step 3: Cross multiply
    27,236.16x = 37,622.88 × 21,342.24
  4. Step 4: Simplify right side
    27,236.16x = 802,956,534.45
  5. Step 5: Solve for x
    x = 802,956,534.45/27,236.16
  6. Step 6: Final answer
    x = 29,481.27

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Half scale
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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.