Home / 28,866.60-43,339.71-19,959.84

Finding the Fourth Proportional to 28,866.60, 43,339.71 and 19,959.84

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Solution

The fourth proportional to 28,866.60, 43,339.71 and 19,959.84 is: 29,967.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,866.60 : 43,339.71 = 19,959.84 : x
  2. Step 2: Convert to fraction form
    28,866.60/43,339.71 = 19,959.84/x
  3. Step 3: Cross multiply
    28,866.60x = 43,339.71 × 19,959.84
  4. Step 4: Simplify right side
    28,866.60x = 865,053,677.25
  5. Step 5: Solve for x
    x = 865,053,677.25/28,866.60
  6. Step 6: Final answer
    x = 29,967.29

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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.