Home / 16,880.31-25,320.47-4,400.30

Finding the Fourth Proportional to 16,880.31, 25,320.47 and 4,400.30

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Solution

The fourth proportional to 16,880.31, 25,320.47 and 4,400.30 is: 6,600.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,880.31 : 25,320.47 = 4,400.30 : x
  2. Step 2: Convert to fraction form
    16,880.31/25,320.47 = 4,400.30/x
  3. Step 3: Cross multiply
    16,880.31x = 25,320.47 × 4,400.30
  4. Step 4: Simplify right side
    16,880.31x = 111,417,705.44
  5. Step 5: Solve for x
    x = 111,417,705.44/16,880.31
  6. Step 6: Final answer
    x = 6,600.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.