Home / 28,565.13-42,831.26-11,032.65

Finding the Fourth Proportional to 28,565.13, 42,831.26 and 11,032.65

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Solution

The fourth proportional to 28,565.13, 42,831.26 and 11,032.65 is: 16,542.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,565.13 : 42,831.26 = 11,032.65 : x
  2. Step 2: Convert to fraction form
    28,565.13/42,831.26 = 11,032.65/x
  3. Step 3: Cross multiply
    28,565.13x = 42,831.26 × 11,032.65
  4. Step 4: Simplify right side
    28,565.13x = 472,542,245.48
  5. Step 5: Solve for x
    x = 472,542,245.48/28,565.13
  6. Step 6: Final answer
    x = 16,542.63

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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.