Home / 27,012.88-40,468.69-15,886.32

Finding the Fourth Proportional to 27,012.88, 40,468.69 and 15,886.32

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Solution

The fourth proportional to 27,012.88, 40,468.69 and 15,886.32 is: 23,799.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,012.88 : 40,468.69 = 15,886.32 : x
  2. Step 2: Convert to fraction form
    27,012.88/40,468.69 = 15,886.32/x
  3. Step 3: Cross multiply
    27,012.88x = 40,468.69 × 15,886.32
  4. Step 4: Simplify right side
    27,012.88x = 642,898,559.32
  5. Step 5: Solve for x
    x = 642,898,559.32/27,012.88
  6. Step 6: Final answer
    x = 23,799.70

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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.