Home / 28,938.17-39,936.66-16,192.56

Finding the Fourth Proportional to 28,938.17, 39,936.66 and 16,192.56

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Solution

The fourth proportional to 28,938.17, 39,936.66 and 16,192.56 is: 22,346.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,938.17 : 39,936.66 = 16,192.56 : x
  2. Step 2: Convert to fraction form
    28,938.17/39,936.66 = 16,192.56/x
  3. Step 3: Cross multiply
    28,938.17x = 39,936.66 × 16,192.56
  4. Step 4: Simplify right side
    28,938.17x = 646,676,782.13
  5. Step 5: Solve for x
    x = 646,676,782.13/28,938.17
  6. Step 6: Final answer
    x = 22,346.84

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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.