Home / 26,570.97-39,870.09-18,257.67

Finding the Fourth Proportional to 26,570.97, 39,870.09 and 18,257.67

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Solution

The fourth proportional to 26,570.97, 39,870.09 and 18,257.67 is: 27,395.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,570.97 : 39,870.09 = 18,257.67 : x
  2. Step 2: Convert to fraction form
    26,570.97/39,870.09 = 18,257.67/x
  3. Step 3: Cross multiply
    26,570.97x = 39,870.09 × 18,257.67
  4. Step 4: Simplify right side
    26,570.97x = 727,934,946.09
  5. Step 5: Solve for x
    x = 727,934,946.09/26,570.97
  6. Step 6: Final answer
    x = 27,395.87

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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.