Home / 28,754.76-43,150.58-13,955.61

Finding the Fourth Proportional to 28,754.76, 43,150.58 and 13,955.61

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Solution

The fourth proportional to 28,754.76, 43,150.58 and 13,955.61 is: 20,942.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,754.76 : 43,150.58 = 13,955.61 : x
  2. Step 2: Convert to fraction form
    28,754.76/43,150.58 = 13,955.61/x
  3. Step 3: Cross multiply
    28,754.76x = 43,150.58 × 13,955.61
  4. Step 4: Simplify right side
    28,754.76x = 602,192,665.75
  5. Step 5: Solve for x
    x = 602,192,665.75/28,754.76
  6. Step 6: Final answer
    x = 20,942.36

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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.