Home / 28,887.16-43,340.38-13,293

Finding the Fourth Proportional to 28,887.16, 43,340.38 and 13,293

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Solution

The fourth proportional to 28,887.16, 43,340.38 and 13,293 is: 19,943.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,887.16 : 43,340.38 = 13,293 : x
  2. Step 2: Convert to fraction form
    28,887.16/43,340.38 = 13,293/x
  3. Step 3: Cross multiply
    28,887.16x = 43,340.38 × 13,293
  4. Step 4: Simplify right side
    28,887.16x = 576,123,671.34
  5. Step 5: Solve for x
    x = 576,123,671.34/28,887.16
  6. Step 6: Final answer
    x = 19,943.94

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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.