Home / 17,870.48-26,767.92-11,293.28

Finding the Fourth Proportional to 17,870.48, 26,767.92 and 11,293.28

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Solution

The fourth proportional to 17,870.48, 26,767.92 and 11,293.28 is: 16,916.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,870.48 : 26,767.92 = 11,293.28 : x
  2. Step 2: Convert to fraction form
    17,870.48/26,767.92 = 11,293.28/x
  3. Step 3: Cross multiply
    17,870.48x = 26,767.92 × 11,293.28
  4. Step 4: Simplify right side
    17,870.48x = 302,297,615.58
  5. Step 5: Solve for x
    x = 302,297,615.58/17,870.48
  6. Step 6: Final answer
    x = 16,916.03

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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.