Home / 27,320.28-40,945.86-13,283.52

Finding the Fourth Proportional to 27,320.28, 40,945.86 and 13,283.52

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Solution

The fourth proportional to 27,320.28, 40,945.86 and 13,283.52 is: 19,908.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,320.28 : 40,945.86 = 13,283.52 : x
  2. Step 2: Convert to fraction form
    27,320.28/40,945.86 = 13,283.52/x
  3. Step 3: Cross multiply
    27,320.28x = 40,945.86 × 13,283.52
  4. Step 4: Simplify right side
    27,320.28x = 543,905,150.23
  5. Step 5: Solve for x
    x = 543,905,150.23/27,320.28
  6. Step 6: Final answer
    x = 19,908.48

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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.