Home / 27,387.18-41,081.58-21,458.52

Finding the Fourth Proportional to 27,387.18, 41,081.58 and 21,458.52

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Solution

The fourth proportional to 27,387.18, 41,081.58 and 21,458.52 is: 32,188.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,387.18 : 41,081.58 = 21,458.52 : x
  2. Step 2: Convert to fraction form
    27,387.18/41,081.58 = 21,458.52/x
  3. Step 3: Cross multiply
    27,387.18x = 41,081.58 × 21,458.52
  4. Step 4: Simplify right side
    27,387.18x = 881,549,906.06
  5. Step 5: Solve for x
    x = 881,549,906.06/27,387.18
  6. Step 6: Final answer
    x = 32,188.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.