Home / 27,907.26-38,512-15,332.82

Finding the Fourth Proportional to 27,907.26, 38,512 and 15,332.82

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Solution

The fourth proportional to 27,907.26, 38,512 and 15,332.82 is: 21,159.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,907.26 : 38,512 = 15,332.82 : x
  2. Step 2: Convert to fraction form
    27,907.26/38,512 = 15,332.82/x
  3. Step 3: Cross multiply
    27,907.26x = 38,512 × 15,332.82
  4. Step 4: Simplify right side
    27,907.26x = 590,497,563.84
  5. Step 5: Solve for x
    x = 590,497,563.84/27,907.26
  6. Step 6: Final answer
    x = 21,159.28

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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.