Home / 21,841.63-32,762.44-5,425.63

Finding the Fourth Proportional to 21,841.63, 32,762.44 and 5,425.63

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Solution

The fourth proportional to 21,841.63, 32,762.44 and 5,425.63 is: 8,138.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,841.63 : 32,762.44 = 5,425.63 : x
  2. Step 2: Convert to fraction form
    21,841.63/32,762.44 = 5,425.63/x
  3. Step 3: Cross multiply
    21,841.63x = 32,762.44 × 5,425.63
  4. Step 4: Simplify right side
    21,841.63x = 177,756,877.34
  5. Step 5: Solve for x
    x = 177,756,877.34/21,841.63
  6. Step 6: Final answer
    x = 8,138.44

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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.