Home / 26,973.68-37,218.60-20,500.16

Finding the Fourth Proportional to 26,973.68, 37,218.60 and 20,500.16

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Solution

The fourth proportional to 26,973.68, 37,218.60 and 20,500.16 is: 28,286.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,973.68 : 37,218.60 = 20,500.16 : x
  2. Step 2: Convert to fraction form
    26,973.68/37,218.60 = 20,500.16/x
  3. Step 3: Cross multiply
    26,973.68x = 37,218.60 × 20,500.16
  4. Step 4: Simplify right side
    26,973.68x = 762,987,254.98
  5. Step 5: Solve for x
    x = 762,987,254.98/26,973.68
  6. Step 6: Final answer
    x = 28,286.36

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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.