Home / 28,565.88-42,832.38-11,033.40

Finding the Fourth Proportional to 28,565.88, 42,832.38 and 11,033.40

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Solution

The fourth proportional to 28,565.88, 42,832.38 and 11,033.40 is: 16,543.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,565.88 : 42,832.38 = 11,033.40 : x
  2. Step 2: Convert to fraction form
    28,565.88/42,832.38 = 11,033.40/x
  3. Step 3: Cross multiply
    28,565.88x = 42,832.38 × 11,033.40
  4. Step 4: Simplify right side
    28,565.88x = 472,586,781.49
  5. Step 5: Solve for x
    x = 472,586,781.49/28,565.88
  6. Step 6: Final answer
    x = 16,543.75

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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.