Home / 28,049.14-42,013.41-13,235.86

Finding the Fourth Proportional to 28,049.14, 42,013.41 and 13,235.86

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Solution

The fourth proportional to 28,049.14, 42,013.41 and 13,235.86 is: 19,825.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,049.14 : 42,013.41 = 13,235.86 : x
  2. Step 2: Convert to fraction form
    28,049.14/42,013.41 = 13,235.86/x
  3. Step 3: Cross multiply
    28,049.14x = 42,013.41 × 13,235.86
  4. Step 4: Simplify right side
    28,049.14x = 556,083,612.88
  5. Step 5: Solve for x
    x = 556,083,612.88/28,049.14
  6. Step 6: Final answer
    x = 19,825.34

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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.