Home / 21,355.38-32,029.29-5,774.22

Finding the Fourth Proportional to 21,355.38, 32,029.29 and 5,774.22

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Solution

The fourth proportional to 21,355.38, 32,029.29 and 5,774.22 is: 8,660.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,355.38 : 32,029.29 = 5,774.22 : x
  2. Step 2: Convert to fraction form
    21,355.38/32,029.29 = 5,774.22/x
  3. Step 3: Cross multiply
    21,355.38x = 32,029.29 × 5,774.22
  4. Step 4: Simplify right side
    21,355.38x = 184,944,166.90
  5. Step 5: Solve for x
    x = 184,944,166.90/21,355.38
  6. Step 6: Final answer
    x = 8,660.31

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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.