Home / 28,908.72-43,118.82-28,033.68

Finding the Fourth Proportional to 28,908.72, 43,118.82 and 28,033.68

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Solution

The fourth proportional to 28,908.72, 43,118.82 and 28,033.68 is: 41,813.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,908.72 : 43,118.82 = 28,033.68 : x
  2. Step 2: Convert to fraction form
    28,908.72/43,118.82 = 28,033.68/x
  3. Step 3: Cross multiply
    28,908.72x = 43,118.82 × 28,033.68
  4. Step 4: Simplify right side
    28,908.72x = 1,208,779,201.86
  5. Step 5: Solve for x
    x = 1,208,779,201.86/28,908.72
  6. Step 6: Final answer
    x = 41,813.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.