Home / 42,777.92-64,172.64-15,069.44

Finding the Fourth Proportional to 42,777.92, 64,172.64 and 15,069.44

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Solution

The fourth proportional to 42,777.92, 64,172.64 and 15,069.44 is: 22,606.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,777.92 : 64,172.64 = 15,069.44 : x
  2. Step 2: Convert to fraction form
    42,777.92/64,172.64 = 15,069.44/x
  3. Step 3: Cross multiply
    42,777.92x = 64,172.64 × 15,069.44
  4. Step 4: Simplify right side
    42,777.92x = 967,045,748.12
  5. Step 5: Solve for x
    x = 967,045,748.12/42,777.92
  6. Step 6: Final answer
    x = 22,606.19

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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.