Home / 26,690.05-36,828.49-15,355.22

Finding the Fourth Proportional to 26,690.05, 36,828.49 and 15,355.22

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Solution

The fourth proportional to 26,690.05, 36,828.49 and 15,355.22 is: 21,188.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,690.05 : 36,828.49 = 15,355.22 : x
  2. Step 2: Convert to fraction form
    26,690.05/36,828.49 = 15,355.22/x
  3. Step 3: Cross multiply
    26,690.05x = 36,828.49 × 15,355.22
  4. Step 4: Simplify right side
    26,690.05x = 565,509,489.44
  5. Step 5: Solve for x
    x = 565,509,489.44/26,690.05
  6. Step 6: Final answer
    x = 21,188.03

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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.