Home / 27,108.03-37,420.89-19,456.77

Finding the Fourth Proportional to 27,108.03, 37,420.89 and 19,456.77

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Solution

The fourth proportional to 27,108.03, 37,420.89 and 19,456.77 is: 26,858.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,108.03 : 37,420.89 = 19,456.77 : x
  2. Step 2: Convert to fraction form
    27,108.03/37,420.89 = 19,456.77/x
  3. Step 3: Cross multiply
    27,108.03x = 37,420.89 × 19,456.77
  4. Step 4: Simplify right side
    27,108.03x = 728,089,649.93
  5. Step 5: Solve for x
    x = 728,089,649.93/27,108.03
  6. Step 6: Final answer
    x = 26,858.82

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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.