Home / 28,632.48-42,948.20-11,761.91

Finding the Fourth Proportional to 28,632.48, 42,948.20 and 11,761.91

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Solution

The fourth proportional to 28,632.48, 42,948.20 and 11,761.91 is: 17,642.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,632.48 : 42,948.20 = 11,761.91 : x
  2. Step 2: Convert to fraction form
    28,632.48/42,948.20 = 11,761.91/x
  3. Step 3: Cross multiply
    28,632.48x = 42,948.20 × 11,761.91
  4. Step 4: Simplify right side
    28,632.48x = 505,152,589.51
  5. Step 5: Solve for x
    x = 505,152,589.51/28,632.48
  6. Step 6: Final answer
    x = 17,642.64

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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.