Home / 17,639.12-26,459.49-4,491.60

Finding the Fourth Proportional to 17,639.12, 26,459.49 and 4,491.60

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Solution

The fourth proportional to 17,639.12, 26,459.49 and 4,491.60 is: 6,737.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,639.12 : 26,459.49 = 4,491.60 : x
  2. Step 2: Convert to fraction form
    17,639.12/26,459.49 = 4,491.60/x
  3. Step 3: Cross multiply
    17,639.12x = 26,459.49 × 4,491.60
  4. Step 4: Simplify right side
    17,639.12x = 118,845,445.28
  5. Step 5: Solve for x
    x = 118,845,445.28/17,639.12
  6. Step 6: Final answer
    x = 6,737.61

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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.