Home / 28,812.57-39,757.73-16,062.63

Finding the Fourth Proportional to 28,812.57, 39,757.73 and 16,062.63

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Solution

The fourth proportional to 28,812.57, 39,757.73 and 16,062.63 is: 22,164.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,812.57 : 39,757.73 = 16,062.63 : x
  2. Step 2: Convert to fraction form
    28,812.57/39,757.73 = 16,062.63/x
  3. Step 3: Cross multiply
    28,812.57x = 39,757.73 × 16,062.63
  4. Step 4: Simplify right side
    28,812.57x = 638,613,626.32
  5. Step 5: Solve for x
    x = 638,613,626.32/28,812.57
  6. Step 6: Final answer
    x = 22,164.41

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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.