Home / 28,033.11-42,029.10-13,233.78

Finding the Fourth Proportional to 28,033.11, 42,029.10 and 13,233.78

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Solution

The fourth proportional to 28,033.11, 42,029.10 and 13,233.78 is: 19,840.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,033.11 : 42,029.10 = 13,233.78 : x
  2. Step 2: Convert to fraction form
    28,033.11/42,029.10 = 13,233.78/x
  3. Step 3: Cross multiply
    28,033.11x = 42,029.10 × 13,233.78
  4. Step 4: Simplify right side
    28,033.11x = 556,203,863.00
  5. Step 5: Solve for x
    x = 556,203,863.00/28,033.11
  6. Step 6: Final answer
    x = 19,840.96

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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.