Home / 26,117.94-36,019.53-21,080.55

Finding the Fourth Proportional to 26,117.94, 36,019.53 and 21,080.55

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Solution

The fourth proportional to 26,117.94, 36,019.53 and 21,080.55 is: 29,072.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,117.94 : 36,019.53 = 21,080.55 : x
  2. Step 2: Convert to fraction form
    26,117.94/36,019.53 = 21,080.55/x
  3. Step 3: Cross multiply
    26,117.94x = 36,019.53 × 21,080.55
  4. Step 4: Simplify right side
    26,117.94x = 759,311,503.14
  5. Step 5: Solve for x
    x = 759,311,503.14/26,117.94
  6. Step 6: Final answer
    x = 29,072.41

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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.