Home / 28,233.98-42,342.30-19,524.86

Finding the Fourth Proportional to 28,233.98, 42,342.30 and 19,524.86

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Solution

The fourth proportional to 28,233.98, 42,342.30 and 19,524.86 is: 29,281.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,233.98 : 42,342.30 = 19,524.86 : x
  2. Step 2: Convert to fraction form
    28,233.98/42,342.30 = 19,524.86/x
  3. Step 3: Cross multiply
    28,233.98x = 42,342.30 × 19,524.86
  4. Step 4: Simplify right side
    28,233.98x = 826,727,479.58
  5. Step 5: Solve for x
    x = 826,727,479.58/28,233.98
  6. Step 6: Final answer
    x = 29,281.29

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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.