Home / 25,682.21-35,438.80-17,622.77

Finding the Fourth Proportional to 25,682.21, 35,438.80 and 17,622.77

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Solution

The fourth proportional to 25,682.21, 35,438.80 and 17,622.77 is: 24,317.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,682.21 : 35,438.80 = 17,622.77 : x
  2. Step 2: Convert to fraction form
    25,682.21/35,438.80 = 17,622.77/x
  3. Step 3: Cross multiply
    25,682.21x = 35,438.80 × 17,622.77
  4. Step 4: Simplify right side
    25,682.21x = 624,529,954.13
  5. Step 5: Solve for x
    x = 624,529,954.13/25,682.21
  6. Step 6: Final answer
    x = 24,317.61

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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.