Home / 27,807.52-41,685.36-13,940.32

Finding the Fourth Proportional to 27,807.52, 41,685.36 and 13,940.32

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Solution

The fourth proportional to 27,807.52, 41,685.36 and 13,940.32 is: 20,897.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,807.52 : 41,685.36 = 13,940.32 : x
  2. Step 2: Convert to fraction form
    27,807.52/41,685.36 = 13,940.32/x
  3. Step 3: Cross multiply
    27,807.52x = 41,685.36 × 13,940.32
  4. Step 4: Simplify right side
    27,807.52x = 581,107,257.72
  5. Step 5: Solve for x
    x = 581,107,257.72/27,807.52
  6. Step 6: Final answer
    x = 20,897.49

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1.5x scale

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.