Home / 26,693.79-40,039.91-6,972.35

Finding the Fourth Proportional to 26,693.79, 40,039.91 and 6,972.35

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Solution

The fourth proportional to 26,693.79, 40,039.91 and 6,972.35 is: 10,458.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,693.79 : 40,039.91 = 6,972.35 : x
  2. Step 2: Convert to fraction form
    26,693.79/40,039.91 = 6,972.35/x
  3. Step 3: Cross multiply
    26,693.79x = 40,039.91 × 6,972.35
  4. Step 4: Simplify right side
    26,693.79x = 279,172,031.43
  5. Step 5: Solve for x
    x = 279,172,031.43/26,693.79
  6. Step 6: Final answer
    x = 10,458.31

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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.