Home / 21,625.56-32,438.28-5,209.56

Finding the Fourth Proportional to 21,625.56, 32,438.28 and 5,209.56

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Solution

The fourth proportional to 21,625.56, 32,438.28 and 5,209.56 is: 7,814.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,625.56 : 32,438.28 = 5,209.56 : x
  2. Step 2: Convert to fraction form
    21,625.56/32,438.28 = 5,209.56/x
  3. Step 3: Cross multiply
    21,625.56x = 32,438.28 × 5,209.56
  4. Step 4: Simplify right side
    21,625.56x = 168,989,165.96
  5. Step 5: Solve for x
    x = 168,989,165.96/21,625.56
  6. Step 6: Final answer
    x = 7,814.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.