Home / 23,875.20-35,722.74-21,450

Finding the Fourth Proportional to 23,875.20, 35,722.74 and 21,450

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Solution

The fourth proportional to 23,875.20, 35,722.74 and 21,450 is: 32,094.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,875.20 : 35,722.74 = 21,450 : x
  2. Step 2: Convert to fraction form
    23,875.20/35,722.74 = 21,450/x
  3. Step 3: Cross multiply
    23,875.20x = 35,722.74 × 21,450
  4. Step 4: Simplify right side
    23,875.20x = 766,252,773
  5. Step 5: Solve for x
    x = 766,252,773/23,875.20
  6. Step 6: Final answer
    x = 32,094.09

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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.