Home / 27,845.86-38,432.33-17,777.43

Finding the Fourth Proportional to 27,845.86, 38,432.33 and 17,777.43

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Solution

The fourth proportional to 27,845.86, 38,432.33 and 17,777.43 is: 24,536.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,845.86 : 38,432.33 = 17,777.43 : x
  2. Step 2: Convert to fraction form
    27,845.86/38,432.33 = 17,777.43/x
  3. Step 3: Cross multiply
    27,845.86x = 38,432.33 × 17,777.43
  4. Step 4: Simplify right side
    27,845.86x = 683,228,056.31
  5. Step 5: Solve for x
    x = 683,228,056.31/27,845.86
  6. Step 6: Final answer
    x = 24,536.07

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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.