Home / 26,451.26-36,501.73-15,120.17

Finding the Fourth Proportional to 26,451.26, 36,501.73 and 15,120.17

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Solution

The fourth proportional to 26,451.26, 36,501.73 and 15,120.17 is: 20,865.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,451.26 : 36,501.73 = 15,120.17 : x
  2. Step 2: Convert to fraction form
    26,451.26/36,501.73 = 15,120.17/x
  3. Step 3: Cross multiply
    26,451.26x = 36,501.73 × 15,120.17
  4. Step 4: Simplify right side
    26,451.26x = 551,912,142.59
  5. Step 5: Solve for x
    x = 551,912,142.59/26,451.26
  6. Step 6: Final answer
    x = 20,865.25

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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.