Home / 28,950.30-43,425.45-13,359.42

Finding the Fourth Proportional to 28,950.30, 43,425.45 and 13,359.42

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Solution

The fourth proportional to 28,950.30, 43,425.45 and 13,359.42 is: 20,039.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,950.30 : 43,425.45 = 13,359.42 : x
  2. Step 2: Convert to fraction form
    28,950.30/43,425.45 = 13,359.42/x
  3. Step 3: Cross multiply
    28,950.30x = 43,425.45 × 13,359.42
  4. Step 4: Simplify right side
    28,950.30x = 580,138,825.24
  5. Step 5: Solve for x
    x = 580,138,825.24/28,950.30
  6. Step 6: Final answer
    x = 20,039.13

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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.