Home / 26,686.86-40,016.70-8,911.14

Finding the Fourth Proportional to 26,686.86, 40,016.70 and 8,911.14

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Solution

The fourth proportional to 26,686.86, 40,016.70 and 8,911.14 is: 13,362.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,686.86 : 40,016.70 = 8,911.14 : x
  2. Step 2: Convert to fraction form
    26,686.86/40,016.70 = 8,911.14/x
  3. Step 3: Cross multiply
    26,686.86x = 40,016.70 × 8,911.14
  4. Step 4: Simplify right side
    26,686.86x = 356,594,416.04
  5. Step 5: Solve for x
    x = 356,594,416.04/26,686.86
  6. Step 6: Final answer
    x = 13,362.17

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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.