Home / 26,436-36,481.74-15,827.16

Finding the Fourth Proportional to 26,436, 36,481.74 and 15,827.16

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Solution

The fourth proportional to 26,436, 36,481.74 and 15,827.16 is: 21,841.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,436 : 36,481.74 = 15,827.16 : x
  2. Step 2: Convert to fraction form
    26,436/36,481.74 = 15,827.16/x
  3. Step 3: Cross multiply
    26,436x = 36,481.74 × 15,827.16
  4. Step 4: Simplify right side
    26,436x = 577,402,336.06
  5. Step 5: Solve for x
    x = 577,402,336.06/26,436
  6. Step 6: Final answer
    x = 21,841.52

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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.