Home / 27,985.36-38,615.28-16,046.50

Finding the Fourth Proportional to 27,985.36, 38,615.28 and 16,046.50

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Solution

The fourth proportional to 27,985.36, 38,615.28 and 16,046.50 is: 22,141.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,985.36 : 38,615.28 = 16,046.50 : x
  2. Step 2: Convert to fraction form
    27,985.36/38,615.28 = 16,046.50/x
  3. Step 3: Cross multiply
    27,985.36x = 38,615.28 × 16,046.50
  4. Step 4: Simplify right side
    27,985.36x = 619,640,090.52
  5. Step 5: Solve for x
    x = 619,640,090.52/27,985.36
  6. Step 6: Final answer
    x = 22,141.58

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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.