Home / 21,832.20-32,753.10-7,038.60

Finding the Fourth Proportional to 21,832.20, 32,753.10 and 7,038.60

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Solution

The fourth proportional to 21,832.20, 32,753.10 and 7,038.60 is: 10,559.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,832.20 : 32,753.10 = 7,038.60 : x
  2. Step 2: Convert to fraction form
    21,832.20/32,753.10 = 7,038.60/x
  3. Step 3: Cross multiply
    21,832.20x = 32,753.10 × 7,038.60
  4. Step 4: Simplify right side
    21,832.20x = 230,535,969.66
  5. Step 5: Solve for x
    x = 230,535,969.66/21,832.20
  6. Step 6: Final answer
    x = 10,559.45

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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.