Home / 43,264.24-64,872.06-13,689.52

Finding the Fourth Proportional to 43,264.24, 64,872.06 and 13,689.52

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Solution

The fourth proportional to 43,264.24, 64,872.06 and 13,689.52 is: 20,526.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,264.24 : 64,872.06 = 13,689.52 : x
  2. Step 2: Convert to fraction form
    43,264.24/64,872.06 = 13,689.52/x
  3. Step 3: Cross multiply
    43,264.24x = 64,872.06 × 13,689.52
  4. Step 4: Simplify right side
    43,264.24x = 888,067,362.81
  5. Step 5: Solve for x
    x = 888,067,362.81/43,264.24
  6. Step 6: Final answer
    x = 20,526.59

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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.