Home / 28,800.44-39,742.94-16,053.20

Finding the Fourth Proportional to 28,800.44, 39,742.94 and 16,053.20

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Solution

The fourth proportional to 28,800.44, 39,742.94 and 16,053.20 is: 22,152.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,800.44 : 39,742.94 = 16,053.20 : x
  2. Step 2: Convert to fraction form
    28,800.44/39,742.94 = 16,053.20/x
  3. Step 3: Cross multiply
    28,800.44x = 39,742.94 × 16,053.20
  4. Step 4: Simplify right side
    28,800.44x = 638,001,085.43
  5. Step 5: Solve for x
    x = 638,001,085.43/28,800.44
  6. Step 6: Final answer
    x = 22,152.48

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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.