Home / 28,759.59-43,150.05-12,959.82

Finding the Fourth Proportional to 28,759.59, 43,150.05 and 12,959.82

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Solution

The fourth proportional to 28,759.59, 43,150.05 and 12,959.82 is: 19,444.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,759.59 : 43,150.05 = 12,959.82 : x
  2. Step 2: Convert to fraction form
    28,759.59/43,150.05 = 12,959.82/x
  3. Step 3: Cross multiply
    28,759.59x = 43,150.05 × 12,959.82
  4. Step 4: Simplify right side
    28,759.59x = 559,216,880.99
  5. Step 5: Solve for x
    x = 559,216,880.99/28,759.59
  6. Step 6: Final answer
    x = 19,444.54

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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.