Home / 25,367.55-35,003.13-15,929.43

Finding the Fourth Proportional to 25,367.55, 35,003.13 and 15,929.43

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Solution

The fourth proportional to 25,367.55, 35,003.13 and 15,929.43 is: 21,980.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,367.55 : 35,003.13 = 15,929.43 : x
  2. Step 2: Convert to fraction form
    25,367.55/35,003.13 = 15,929.43/x
  3. Step 3: Cross multiply
    25,367.55x = 35,003.13 × 15,929.43
  4. Step 4: Simplify right side
    25,367.55x = 557,579,909.12
  5. Step 5: Solve for x
    x = 557,579,909.12/25,367.55
  6. Step 6: Final answer
    x = 21,980.05

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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.