Home / 23,511.45-35,253.81-18,172.74

Finding the Fourth Proportional to 23,511.45, 35,253.81 and 18,172.74

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Solution

The fourth proportional to 23,511.45, 35,253.81 and 18,172.74 is: 27,248.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,511.45 : 35,253.81 = 18,172.74 : x
  2. Step 2: Convert to fraction form
    23,511.45/35,253.81 = 18,172.74/x
  3. Step 3: Cross multiply
    23,511.45x = 35,253.81 × 18,172.74
  4. Step 4: Simplify right side
    23,511.45x = 640,658,323.14
  5. Step 5: Solve for x
    x = 640,658,323.14/23,511.45
  6. Step 6: Final answer
    x = 27,248.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.