Home / 28,688.49-39,593.20-17,364.22

Finding the Fourth Proportional to 28,688.49, 39,593.20 and 17,364.22

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Solution

The fourth proportional to 28,688.49, 39,593.20 and 17,364.22 is: 23,964.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,688.49 : 39,593.20 = 17,364.22 : x
  2. Step 2: Convert to fraction form
    28,688.49/39,593.20 = 17,364.22/x
  3. Step 3: Cross multiply
    28,688.49x = 39,593.20 × 17,364.22
  4. Step 4: Simplify right side
    28,688.49x = 687,505,035.30
  5. Step 5: Solve for x
    x = 687,505,035.30/28,688.49
  6. Step 6: Final answer
    x = 23,964.49

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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.