Home / 28,901.21-43,359.71-12,262.19

Finding the Fourth Proportional to 28,901.21, 43,359.71 and 12,262.19

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Solution

The fourth proportional to 28,901.21, 43,359.71 and 12,262.19 is: 18,396.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,901.21 : 43,359.71 = 12,262.19 : x
  2. Step 2: Convert to fraction form
    28,901.21/43,359.71 = 12,262.19/x
  3. Step 3: Cross multiply
    28,901.21x = 43,359.71 × 12,262.19
  4. Step 4: Simplify right side
    28,901.21x = 531,684,724.26
  5. Step 5: Solve for x
    x = 531,684,724.26/28,901.21
  6. Step 6: Final answer
    x = 18,396.63

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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.