Home / 28,134.90-38,821.41-17,527.86

Finding the Fourth Proportional to 28,134.90, 38,821.41 and 17,527.86

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Solution

The fourth proportional to 28,134.90, 38,821.41 and 17,527.86 is: 24,185.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,134.90 : 38,821.41 = 17,527.86 : x
  2. Step 2: Convert to fraction form
    28,134.90/38,821.41 = 17,527.86/x
  3. Step 3: Cross multiply
    28,134.90x = 38,821.41 × 17,527.86
  4. Step 4: Simplify right side
    28,134.90x = 680,456,239.48
  5. Step 5: Solve for x
    x = 680,456,239.48/28,134.90
  6. Step 6: Final answer
    x = 24,185.49

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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.