Home / 35,278.30-52,916.36-11,902.78

Finding the Fourth Proportional to 35,278.30, 52,916.36 and 11,902.78

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Solution

The fourth proportional to 35,278.30, 52,916.36 and 11,902.78 is: 17,853.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,278.30 : 52,916.36 = 11,902.78 : x
  2. Step 2: Convert to fraction form
    35,278.30/52,916.36 = 11,902.78/x
  3. Step 3: Cross multiply
    35,278.30x = 52,916.36 × 11,902.78
  4. Step 4: Simplify right side
    35,278.30x = 629,851,791.48
  5. Step 5: Solve for x
    x = 629,851,791.48/35,278.30
  6. Step 6: Final answer
    x = 17,853.80

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1.5x scale

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.