Home / 26,255.84-39,388.74-8,491.28

Finding the Fourth Proportional to 26,255.84, 39,388.74 and 8,491.28

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Solution

The fourth proportional to 26,255.84, 39,388.74 and 8,491.28 is: 12,738.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,255.84 : 39,388.74 = 8,491.28 : x
  2. Step 2: Convert to fraction form
    26,255.84/39,388.74 = 8,491.28/x
  3. Step 3: Cross multiply
    26,255.84x = 39,388.74 × 8,491.28
  4. Step 4: Simplify right side
    26,255.84x = 334,460,820.19
  5. Step 5: Solve for x
    x = 334,460,820.19/26,255.84
  6. Step 6: Final answer
    x = 12,738.53

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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.