Home / 35,187.12-52,787.35-14,128.82

Finding the Fourth Proportional to 35,187.12, 52,787.35 and 14,128.82

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Solution

The fourth proportional to 35,187.12, 52,787.35 and 14,128.82 is: 21,195.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,187.12 : 52,787.35 = 14,128.82 : x
  2. Step 2: Convert to fraction form
    35,187.12/52,787.35 = 14,128.82/x
  3. Step 3: Cross multiply
    35,187.12x = 52,787.35 × 14,128.82
  4. Step 4: Simplify right side
    35,187.12x = 745,822,764.40
  5. Step 5: Solve for x
    x = 745,822,764.40/35,187.12
  6. Step 6: Final answer
    x = 21,195.90

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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.