Home / 20,832.30-31,232.29-10,295.06

Finding the Fourth Proportional to 20,832.30, 31,232.29 and 10,295.06

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Solution

The fourth proportional to 20,832.30, 31,232.29 and 10,295.06 is: 15,434.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,832.30 : 31,232.29 = 10,295.06 : x
  2. Step 2: Convert to fraction form
    20,832.30/31,232.29 = 10,295.06/x
  3. Step 3: Cross multiply
    20,832.30x = 31,232.29 × 10,295.06
  4. Step 4: Simplify right side
    20,832.30x = 321,538,299.49
  5. Step 5: Solve for x
    x = 321,538,299.49/20,832.30
  6. Step 6: Final answer
    x = 15,434.60

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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.