Home / 27,877.96-38,418.48-27,365.55

Finding the Fourth Proportional to 27,877.96, 38,418.48 and 27,365.55

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Solution

The fourth proportional to 27,877.96, 38,418.48 and 27,365.55 is: 37,712.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,877.96 : 38,418.48 = 27,365.55 : x
  2. Step 2: Convert to fraction form
    27,877.96/38,418.48 = 27,365.55/x
  3. Step 3: Cross multiply
    27,877.96x = 38,418.48 × 27,365.55
  4. Step 4: Simplify right side
    27,877.96x = 1,051,342,835.36
  5. Step 5: Solve for x
    x = 1,051,342,835.36/27,877.96
  6. Step 6: Final answer
    x = 37,712.33

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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.