Home / 26,686.62-40,054.16-14,217.28

Finding the Fourth Proportional to 26,686.62, 40,054.16 and 14,217.28

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Solution

The fourth proportional to 26,686.62, 40,054.16 and 14,217.28 is: 21,338.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,686.62 : 40,054.16 = 14,217.28 : x
  2. Step 2: Convert to fraction form
    26,686.62/40,054.16 = 14,217.28/x
  3. Step 3: Cross multiply
    26,686.62x = 40,054.16 × 14,217.28
  4. Step 4: Simplify right side
    26,686.62x = 569,461,143.29
  5. Step 5: Solve for x
    x = 569,461,143.29/26,686.62
  6. Step 6: Final answer
    x = 21,338.83

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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.