Home / 25,837.72-35,659.95-15,772.03

Finding the Fourth Proportional to 25,837.72, 35,659.95 and 15,772.03

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Solution

The fourth proportional to 25,837.72, 35,659.95 and 15,772.03 is: 21,767.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,837.72 : 35,659.95 = 15,772.03 : x
  2. Step 2: Convert to fraction form
    25,837.72/35,659.95 = 15,772.03/x
  3. Step 3: Cross multiply
    25,837.72x = 35,659.95 × 15,772.03
  4. Step 4: Simplify right side
    25,837.72x = 562,429,622.90
  5. Step 5: Solve for x
    x = 562,429,622.90/25,837.72
  6. Step 6: Final answer
    x = 21,767.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.