Home / 26,918.68-37,189.91-20,567.50

Finding the Fourth Proportional to 26,918.68, 37,189.91 and 20,567.50

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Solution

The fourth proportional to 26,918.68, 37,189.91 and 20,567.50 is: 28,415.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,918.68 : 37,189.91 = 20,567.50 : x
  2. Step 2: Convert to fraction form
    26,918.68/37,189.91 = 20,567.50/x
  3. Step 3: Cross multiply
    26,918.68x = 37,189.91 × 20,567.50
  4. Step 4: Simplify right side
    26,918.68x = 764,903,473.93
  5. Step 5: Solve for x
    x = 764,903,473.93/26,918.68
  6. Step 6: Final answer
    x = 28,415.34

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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.