Home / 34,778.16-52,173.72-11,411.28

Finding the Fourth Proportional to 34,778.16, 52,173.72 and 11,411.28

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Solution

The fourth proportional to 34,778.16, 52,173.72 and 11,411.28 is: 17,119.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,778.16 : 52,173.72 = 11,411.28 : x
  2. Step 2: Convert to fraction form
    34,778.16/52,173.72 = 11,411.28/x
  3. Step 3: Cross multiply
    34,778.16x = 52,173.72 × 11,411.28
  4. Step 4: Simplify right side
    34,778.16x = 595,368,927.56
  5. Step 5: Solve for x
    x = 595,368,927.56/34,778.16
  6. Step 6: Final answer
    x = 17,119.05

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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.