Home / 26,340.66-36,363.33-20,358.81

Finding the Fourth Proportional to 26,340.66, 36,363.33 and 20,358.81

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Solution

The fourth proportional to 26,340.66, 36,363.33 and 20,358.81 is: 28,105.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,340.66 : 36,363.33 = 20,358.81 : x
  2. Step 2: Convert to fraction form
    26,340.66/36,363.33 = 20,358.81/x
  3. Step 3: Cross multiply
    26,340.66x = 36,363.33 × 20,358.81
  4. Step 4: Simplify right side
    26,340.66x = 740,314,126.44
  5. Step 5: Solve for x
    x = 740,314,126.44/26,340.66
  6. Step 6: Final answer
    x = 28,105.37

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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.