Home / 28,880.92-43,296.06-13,880.53

Finding the Fourth Proportional to 28,880.92, 43,296.06 and 13,880.53

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Solution

The fourth proportional to 28,880.92, 43,296.06 and 13,880.53 is: 20,808.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,880.92 : 43,296.06 = 13,880.53 : x
  2. Step 2: Convert to fraction form
    28,880.92/43,296.06 = 13,880.53/x
  3. Step 3: Cross multiply
    28,880.92x = 43,296.06 × 13,880.53
  4. Step 4: Simplify right side
    28,880.92x = 600,972,259.71
  5. Step 5: Solve for x
    x = 600,972,259.71/28,880.92
  6. Step 6: Final answer
    x = 20,808.63

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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.