Home / 28,241.16-42,337.59-11,590.80

Finding the Fourth Proportional to 28,241.16, 42,337.59 and 11,590.80

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Solution

The fourth proportional to 28,241.16, 42,337.59 and 11,590.80 is: 17,376.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,241.16 : 42,337.59 = 11,590.80 : x
  2. Step 2: Convert to fraction form
    28,241.16/42,337.59 = 11,590.80/x
  3. Step 3: Cross multiply
    28,241.16x = 42,337.59 × 11,590.80
  4. Step 4: Simplify right side
    28,241.16x = 490,726,335.94
  5. Step 5: Solve for x
    x = 490,726,335.94/28,241.16
  6. Step 6: Final answer
    x = 17,376.28

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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.