Home / 26,605.81-39,898.32-11,617.50

Finding the Fourth Proportional to 26,605.81, 39,898.32 and 11,617.50

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Solution

The fourth proportional to 26,605.81, 39,898.32 and 11,617.50 is: 17,421.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,605.81 : 39,898.32 = 11,617.50 : x
  2. Step 2: Convert to fraction form
    26,605.81/39,898.32 = 11,617.50/x
  3. Step 3: Cross multiply
    26,605.81x = 39,898.32 × 11,617.50
  4. Step 4: Simplify right side
    26,605.81x = 463,518,732.60
  5. Step 5: Solve for x
    x = 463,518,732.60/26,605.81
  6. Step 6: Final answer
    x = 17,421.71

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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.