Home / 20,236.00-27,943.30-12,695.29

Finding the Fourth Proportional to 20,236.00, 27,943.30 and 12,695.29

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Solution

The fourth proportional to 20,236.00, 27,943.30 and 12,695.29 is: 17,530.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,236.00 : 27,943.30 = 12,695.29 : x
  2. Step 2: Convert to fraction form
    20,236.00/27,943.30 = 12,695.29/x
  3. Step 3: Cross multiply
    20,236.00x = 27,943.30 × 12,695.29
  4. Step 4: Simplify right side
    20,236.00x = 354,748,347.86
  5. Step 5: Solve for x
    x = 354,748,347.86/20,236.00
  6. Step 6: Final answer
    x = 17,530.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.