Home / 27,165.60-37,432.32-21,839.04

Finding the Fourth Proportional to 27,165.60, 37,432.32 and 21,839.04

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Solution

The fourth proportional to 27,165.60, 37,432.32 and 21,839.04 is: 30,092.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,165.60 : 37,432.32 = 21,839.04 : x
  2. Step 2: Convert to fraction form
    27,165.60/37,432.32 = 21,839.04/x
  3. Step 3: Cross multiply
    27,165.60x = 37,432.32 × 21,839.04
  4. Step 4: Simplify right side
    27,165.60x = 817,485,933.77
  5. Step 5: Solve for x
    x = 817,485,933.77/27,165.60
  6. Step 6: Final answer
    x = 30,092.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.