Home / 27,216.86-37,556.82-15,887.34

Finding the Fourth Proportional to 27,216.86, 37,556.82 and 15,887.34

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Solution

The fourth proportional to 27,216.86, 37,556.82 and 15,887.34 is: 21,923.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,216.86 : 37,556.82 = 15,887.34 : x
  2. Step 2: Convert to fraction form
    27,216.86/37,556.82 = 15,887.34/x
  3. Step 3: Cross multiply
    27,216.86x = 37,556.82 × 15,887.34
  4. Step 4: Simplify right side
    27,216.86x = 596,677,968.66
  5. Step 5: Solve for x
    x = 596,677,968.66/27,216.86
  6. Step 6: Final answer
    x = 21,923.10

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1.5x scale

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.