Home / 25,836.36-35,645-16,889.02

Finding the Fourth Proportional to 25,836.36, 35,645 and 16,889.02

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Solution

The fourth proportional to 25,836.36, 35,645 and 16,889.02 is: 23,300.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,836.36 : 35,645 = 16,889.02 : x
  2. Step 2: Convert to fraction form
    25,836.36/35,645 = 16,889.02/x
  3. Step 3: Cross multiply
    25,836.36x = 35,645 × 16,889.02
  4. Step 4: Simplify right side
    25,836.36x = 602,009,117.90
  5. Step 5: Solve for x
    x = 602,009,117.90/25,836.36
  6. Step 6: Final answer
    x = 23,300.85

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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.