Home / 26,690.67-36,840.18-15,361.56

Finding the Fourth Proportional to 26,690.67, 36,840.18 and 15,361.56

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Solution

The fourth proportional to 26,690.67, 36,840.18 and 15,361.56 is: 21,203.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,690.67 : 36,840.18 = 15,361.56 : x
  2. Step 2: Convert to fraction form
    26,690.67/36,840.18 = 15,361.56/x
  3. Step 3: Cross multiply
    26,690.67x = 36,840.18 × 15,361.56
  4. Step 4: Simplify right side
    26,690.67x = 565,922,635.48
  5. Step 5: Solve for x
    x = 565,922,635.48/26,690.67
  6. Step 6: Final answer
    x = 21,203.01

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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.