Home / 28,504.98-42,746.52-11,872.86

Finding the Fourth Proportional to 28,504.98, 42,746.52 and 11,872.86

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Solution

The fourth proportional to 28,504.98, 42,746.52 and 11,872.86 is: 17,804.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,504.98 : 42,746.52 = 11,872.86 : x
  2. Step 2: Convert to fraction form
    28,504.98/42,746.52 = 11,872.86/x
  3. Step 3: Cross multiply
    28,504.98x = 42,746.52 × 11,872.86
  4. Step 4: Simplify right side
    28,504.98x = 507,523,447.45
  5. Step 5: Solve for x
    x = 507,523,447.45/28,504.98
  6. Step 6: Final answer
    x = 17,804.73

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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.