Home / 21,840.72-32,767.56-9,354.57

Finding the Fourth Proportional to 21,840.72, 32,767.56 and 9,354.57

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Solution

The fourth proportional to 21,840.72, 32,767.56 and 9,354.57 is: 14,034.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,840.72 : 32,767.56 = 9,354.57 : x
  2. Step 2: Convert to fraction form
    21,840.72/32,767.56 = 9,354.57/x
  3. Step 3: Cross multiply
    21,840.72x = 32,767.56 × 9,354.57
  4. Step 4: Simplify right side
    21,840.72x = 306,526,433.75
  5. Step 5: Solve for x
    x = 306,526,433.75/21,840.72
  6. Step 6: Final answer
    x = 14,034.63

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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.