Home / 28,802.64-39,747.96-16,227.12

Finding the Fourth Proportional to 28,802.64, 39,747.96 and 16,227.12

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Solution

The fourth proportional to 28,802.64, 39,747.96 and 16,227.12 is: 22,393.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,802.64 : 39,747.96 = 16,227.12 : x
  2. Step 2: Convert to fraction form
    28,802.64/39,747.96 = 16,227.12/x
  3. Step 3: Cross multiply
    28,802.64x = 39,747.96 × 16,227.12
  4. Step 4: Simplify right side
    28,802.64x = 644,994,916.68
  5. Step 5: Solve for x
    x = 644,994,916.68/28,802.64
  6. Step 6: Final answer
    x = 22,393.60

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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.