Home / 26,705.75-40,055.13-6,985.82

Finding the Fourth Proportional to 26,705.75, 40,055.13 and 6,985.82

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Solution

The fourth proportional to 26,705.75, 40,055.13 and 6,985.82 is: 10,477.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,705.75 : 40,055.13 = 6,985.82 : x
  2. Step 2: Convert to fraction form
    26,705.75/40,055.13 = 6,985.82/x
  3. Step 3: Cross multiply
    26,705.75x = 40,055.13 × 6,985.82
  4. Step 4: Simplify right side
    26,705.75x = 279,817,727.98
  5. Step 5: Solve for x
    x = 279,817,727.98/26,705.75
  6. Step 6: Final answer
    x = 10,477.81

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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.