Home / 27,886.08-41,828.16-13,086.72

Finding the Fourth Proportional to 27,886.08, 41,828.16 and 13,086.72

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Solution

The fourth proportional to 27,886.08, 41,828.16 and 13,086.72 is: 19,629.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,886.08 : 41,828.16 = 13,086.72 : x
  2. Step 2: Convert to fraction form
    27,886.08/41,828.16 = 13,086.72/x
  3. Step 3: Cross multiply
    27,886.08x = 41,828.16 × 13,086.72
  4. Step 4: Simplify right side
    27,886.08x = 547,393,418.04
  5. Step 5: Solve for x
    x = 547,393,418.04/27,886.08
  6. Step 6: Final answer
    x = 19,629.63

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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.