Home / 17,545.40-26,318.10-13,628.60

Finding the Fourth Proportional to 17,545.40, 26,318.10 and 13,628.60

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Solution

The fourth proportional to 17,545.40, 26,318.10 and 13,628.60 is: 20,442.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,545.40 : 26,318.10 = 13,628.60 : x
  2. Step 2: Convert to fraction form
    17,545.40/26,318.10 = 13,628.60/x
  3. Step 3: Cross multiply
    17,545.40x = 26,318.10 × 13,628.60
  4. Step 4: Simplify right side
    17,545.40x = 358,678,857.66
  5. Step 5: Solve for x
    x = 358,678,857.66/17,545.40
  6. Step 6: Final answer
    x = 20,442.90

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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.