Home / 42,777.02-64,171.06-16,489.28

Finding the Fourth Proportional to 42,777.02, 64,171.06 and 16,489.28

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Solution

The fourth proportional to 42,777.02, 64,171.06 and 16,489.28 is: 24,736.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,777.02 : 64,171.06 = 16,489.28 : x
  2. Step 2: Convert to fraction form
    42,777.02/64,171.06 = 16,489.28/x
  3. Step 3: Cross multiply
    42,777.02x = 64,171.06 × 16,489.28
  4. Step 4: Simplify right side
    42,777.02x = 1,058,134,576.24
  5. Step 5: Solve for x
    x = 1,058,134,576.24/42,777.02
  6. Step 6: Final answer
    x = 24,736.05

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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.