Home / 27,335.26-37,724.40-20,609.02

Finding the Fourth Proportional to 27,335.26, 37,724.40 and 20,609.02

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Solution

The fourth proportional to 27,335.26, 37,724.40 and 20,609.02 is: 28,441.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,335.26 : 37,724.40 = 20,609.02 : x
  2. Step 2: Convert to fraction form
    27,335.26/37,724.40 = 20,609.02/x
  3. Step 3: Cross multiply
    27,335.26x = 37,724.40 × 20,609.02
  4. Step 4: Simplify right side
    27,335.26x = 777,462,914.09
  5. Step 5: Solve for x
    x = 777,462,914.09/27,335.26
  6. Step 6: Final answer
    x = 28,441.76

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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.