Home / 28,143.32-38,831.00-17,525.43

Finding the Fourth Proportional to 28,143.32, 38,831.00 and 17,525.43

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Solution

The fourth proportional to 28,143.32, 38,831.00 and 17,525.43 is: 24,180.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,143.32 : 38,831.00 = 17,525.43 : x
  2. Step 2: Convert to fraction form
    28,143.32/38,831.00 = 17,525.43/x
  3. Step 3: Cross multiply
    28,143.32x = 38,831.00 × 17,525.43
  4. Step 4: Simplify right side
    28,143.32x = 680,529,884.70
  5. Step 5: Solve for x
    x = 680,529,884.70/28,143.32
  6. Step 6: Final answer
    x = 24,180.87

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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.