Home / 28,462.02-42,694.25-8,741.36

Finding the Fourth Proportional to 28,462.02, 42,694.25 and 8,741.36

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Solution

The fourth proportional to 28,462.02, 42,694.25 and 8,741.36 is: 13,112.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,462.02 : 42,694.25 = 8,741.36 : x
  2. Step 2: Convert to fraction form
    28,462.02/42,694.25 = 8,741.36/x
  3. Step 3: Cross multiply
    28,462.02x = 42,694.25 × 8,741.36
  4. Step 4: Simplify right side
    28,462.02x = 373,205,809.18
  5. Step 5: Solve for x
    x = 373,205,809.18/28,462.02
  6. Step 6: Final answer
    x = 13,112.41

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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.