Home / 27,109.17-37,410.12-15,785.37

Finding the Fourth Proportional to 27,109.17, 37,410.12 and 15,785.37

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Solution

The fourth proportional to 27,109.17, 37,410.12 and 15,785.37 is: 21,783.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,109.17 : 37,410.12 = 15,785.37 : x
  2. Step 2: Convert to fraction form
    27,109.17/37,410.12 = 15,785.37/x
  3. Step 3: Cross multiply
    27,109.17x = 37,410.12 × 15,785.37
  4. Step 4: Simplify right side
    27,109.17x = 590,532,585.94
  5. Step 5: Solve for x
    x = 590,532,585.94/27,109.17
  6. Step 6: Final answer
    x = 21,783.50

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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.