Home / 26,971.32-40,420.04-17,117.51

Finding the Fourth Proportional to 26,971.32, 40,420.04 and 17,117.51

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Solution

The fourth proportional to 26,971.32, 40,420.04 and 17,117.51 is: 25,652.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,971.32 : 40,420.04 = 17,117.51 : x
  2. Step 2: Convert to fraction form
    26,971.32/40,420.04 = 17,117.51/x
  3. Step 3: Cross multiply
    26,971.32x = 40,420.04 × 17,117.51
  4. Step 4: Simplify right side
    26,971.32x = 691,890,454.36
  5. Step 5: Solve for x
    x = 691,890,454.36/26,971.32
  6. Step 6: Final answer
    x = 25,652.82

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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.