Home / 28,695.25-43,041.17-12,896.20

Finding the Fourth Proportional to 28,695.25, 43,041.17 and 12,896.20

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Solution

The fourth proportional to 28,695.25, 43,041.17 and 12,896.20 is: 19,343.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,695.25 : 43,041.17 = 12,896.20 : x
  2. Step 2: Convert to fraction form
    28,695.25/43,041.17 = 12,896.20/x
  3. Step 3: Cross multiply
    28,695.25x = 43,041.17 × 12,896.20
  4. Step 4: Simplify right side
    28,695.25x = 555,067,472.07
  5. Step 5: Solve for x
    x = 555,067,472.07/28,695.25
  6. Step 6: Final answer
    x = 19,343.53

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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.