Home / 21,588.90-32,372.32-9,892.10

Finding the Fourth Proportional to 21,588.90, 32,372.32 and 9,892.10

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Solution

The fourth proportional to 21,588.90, 32,372.32 and 9,892.10 is: 14,833.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,588.90 : 32,372.32 = 9,892.10 : x
  2. Step 2: Convert to fraction form
    21,588.90/32,372.32 = 9,892.10/x
  3. Step 3: Cross multiply
    21,588.90x = 32,372.32 × 9,892.10
  4. Step 4: Simplify right side
    21,588.90x = 320,230,226.67
  5. Step 5: Solve for x
    x = 320,230,226.67/21,588.90
  6. Step 6: Final answer
    x = 14,833.10

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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.