Home / 27,064.82-37,315.46-20,699.22

Finding the Fourth Proportional to 27,064.82, 37,315.46 and 20,699.22

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Solution

The fourth proportional to 27,064.82, 37,315.46 and 20,699.22 is: 28,538.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,064.82 : 37,315.46 = 20,699.22 : x
  2. Step 2: Convert to fraction form
    27,064.82/37,315.46 = 20,699.22/x
  3. Step 3: Cross multiply
    27,064.82x = 37,315.46 × 20,699.22
  4. Step 4: Simplify right side
    27,064.82x = 772,400,677.62
  5. Step 5: Solve for x
    x = 772,400,677.62/27,064.82
  6. Step 6: Final answer
    x = 28,538.92

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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.