Home / 26,034.90-39,011.46-20,126.28

Finding the Fourth Proportional to 26,034.90, 39,011.46 and 20,126.28

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Solution

The fourth proportional to 26,034.90, 39,011.46 and 20,126.28 is: 30,157.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,034.90 : 39,011.46 = 20,126.28 : x
  2. Step 2: Convert to fraction form
    26,034.90/39,011.46 = 20,126.28/x
  3. Step 3: Cross multiply
    26,034.90x = 39,011.46 × 20,126.28
  4. Step 4: Simplify right side
    26,034.90x = 785,155,567.17
  5. Step 5: Solve for x
    x = 785,155,567.17/26,034.90
  6. Step 6: Final answer
    x = 30,157.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.