Home / 28,541.48-39,385.62-15,794

Finding the Fourth Proportional to 28,541.48, 39,385.62 and 15,794

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Solution

The fourth proportional to 28,541.48, 39,385.62 and 15,794 is: 21,794.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,541.48 : 39,385.62 = 15,794 : x
  2. Step 2: Convert to fraction form
    28,541.48/39,385.62 = 15,794/x
  3. Step 3: Cross multiply
    28,541.48x = 39,385.62 × 15,794
  4. Step 4: Simplify right side
    28,541.48x = 622,056,482.28
  5. Step 5: Solve for x
    x = 622,056,482.28/28,541.48
  6. Step 6: Final answer
    x = 21,794.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.