Home / 17,435.54-26,153.07-4,287.80

Finding the Fourth Proportional to 17,435.54, 26,153.07 and 4,287.80

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Solution

The fourth proportional to 17,435.54, 26,153.07 and 4,287.80 is: 6,431.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,435.54 : 26,153.07 = 4,287.80 : x
  2. Step 2: Convert to fraction form
    17,435.54/26,153.07 = 4,287.80/x
  3. Step 3: Cross multiply
    17,435.54x = 26,153.07 × 4,287.80
  4. Step 4: Simplify right side
    17,435.54x = 112,139,133.55
  5. Step 5: Solve for x
    x = 112,139,133.55/17,435.54
  6. Step 6: Final answer
    x = 6,431.64

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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.