Home / 27,410.76-37,824.22-21,759.18

Finding the Fourth Proportional to 27,410.76, 37,824.22 and 21,759.18

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Solution

The fourth proportional to 27,410.76, 37,824.22 and 21,759.18 is: 30,025.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,410.76 : 37,824.22 = 21,759.18 : x
  2. Step 2: Convert to fraction form
    27,410.76/37,824.22 = 21,759.18/x
  3. Step 3: Cross multiply
    27,410.76x = 37,824.22 × 21,759.18
  4. Step 4: Simplify right side
    27,410.76x = 823,024,011.34
  5. Step 5: Solve for x
    x = 823,024,011.34/27,410.76
  6. Step 6: Final answer
    x = 30,025.58

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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.