Home / 27,221.36-37,566.06-15,285.02

Finding the Fourth Proportional to 27,221.36, 37,566.06 and 15,285.02

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Solution

The fourth proportional to 27,221.36, 37,566.06 and 15,285.02 is: 21,093.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,221.36 : 37,566.06 = 15,285.02 : x
  2. Step 2: Convert to fraction form
    27,221.36/37,566.06 = 15,285.02/x
  3. Step 3: Cross multiply
    27,221.36x = 37,566.06 × 15,285.02
  4. Step 4: Simplify right side
    27,221.36x = 574,197,978.42
  5. Step 5: Solve for x
    x = 574,197,978.42/27,221.36
  6. Step 6: Final answer
    x = 21,093.66

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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.