Home / 25,852.22-35,690.25-15,645.15

Finding the Fourth Proportional to 25,852.22, 35,690.25 and 15,645.15

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Solution

The fourth proportional to 25,852.22, 35,690.25 and 15,645.15 is: 21,598.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,852.22 : 35,690.25 = 15,645.15 : x
  2. Step 2: Convert to fraction form
    25,852.22/35,690.25 = 15,645.15/x
  3. Step 3: Cross multiply
    25,852.22x = 35,690.25 × 15,645.15
  4. Step 4: Simplify right side
    25,852.22x = 558,379,373.46
  5. Step 5: Solve for x
    x = 558,379,373.46/25,852.22
  6. Step 6: Final answer
    x = 21,598.90

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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.