Home / 26,312.64-39,375.14-21,081.26

Finding the Fourth Proportional to 26,312.64, 39,375.14 and 21,081.26

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Solution

The fourth proportional to 26,312.64, 39,375.14 and 21,081.26 is: 31,546.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,312.64 : 39,375.14 = 21,081.26 : x
  2. Step 2: Convert to fraction form
    26,312.64/39,375.14 = 21,081.26/x
  3. Step 3: Cross multiply
    26,312.64x = 39,375.14 × 21,081.26
  4. Step 4: Simplify right side
    26,312.64x = 830,077,563.88
  5. Step 5: Solve for x
    x = 830,077,563.88/26,312.64
  6. Step 6: Final answer
    x = 31,546.72

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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.