Home / 25,820.78-35,619.50-16,873.52

Finding the Fourth Proportional to 25,820.78, 35,619.50 and 16,873.52

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Solution

The fourth proportional to 25,820.78, 35,619.50 and 16,873.52 is: 23,276.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,820.78 : 35,619.50 = 16,873.52 : x
  2. Step 2: Convert to fraction form
    25,820.78/35,619.50 = 16,873.52/x
  3. Step 3: Cross multiply
    25,820.78x = 35,619.50 × 16,873.52
  4. Step 4: Simplify right side
    25,820.78x = 601,026,345.64
  5. Step 5: Solve for x
    x = 601,026,345.64/25,820.78
  6. Step 6: Final answer
    x = 23,276.85

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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.