Home / 26,166-36,109.08-14,988.72

Finding the Fourth Proportional to 26,166, 36,109.08 and 14,988.72

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Solution

The fourth proportional to 26,166, 36,109.08 and 14,988.72 is: 20,684.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,166 : 36,109.08 = 14,988.72 : x
  2. Step 2: Convert to fraction form
    26,166/36,109.08 = 14,988.72/x
  3. Step 3: Cross multiply
    26,166x = 36,109.08 × 14,988.72
  4. Step 4: Simplify right side
    26,166x = 541,228,889.58
  5. Step 5: Solve for x
    x = 541,228,889.58/26,166
  6. Step 6: Final answer
    x = 20,684.43

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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.