Home / 28,802.18-39,742.19-16,052.57

Finding the Fourth Proportional to 28,802.18, 39,742.19 and 16,052.57

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Solution

The fourth proportional to 28,802.18, 39,742.19 and 16,052.57 is: 22,149.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,802.18 : 39,742.19 = 16,052.57 : x
  2. Step 2: Convert to fraction form
    28,802.18/39,742.19 = 16,052.57/x
  3. Step 3: Cross multiply
    28,802.18x = 39,742.19 × 16,052.57
  4. Step 4: Simplify right side
    28,802.18x = 637,964,007.95
  5. Step 5: Solve for x
    x = 637,964,007.95/28,802.18
  6. Step 6: Final answer
    x = 22,149.86

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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.