Home / 21,832.69-32,729.58-10,139.53

Finding the Fourth Proportional to 21,832.69, 32,729.58 and 10,139.53

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Solution

The fourth proportional to 21,832.69, 32,729.58 and 10,139.53 is: 15,200.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,832.69 : 32,729.58 = 10,139.53 : x
  2. Step 2: Convert to fraction form
    21,832.69/32,729.58 = 10,139.53/x
  3. Step 3: Cross multiply
    21,832.69x = 32,729.58 × 10,139.53
  4. Step 4: Simplify right side
    21,832.69x = 331,862,558.30
  5. Step 5: Solve for x
    x = 331,862,558.30/21,832.69
  6. Step 6: Final answer
    x = 15,200.26

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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.