Home / 28,057.33-38,719.47-16,733.28

Finding the Fourth Proportional to 28,057.33, 38,719.47 and 16,733.28

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Solution

The fourth proportional to 28,057.33, 38,719.47 and 16,733.28 is: 23,092.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,057.33 : 38,719.47 = 16,733.28 : x
  2. Step 2: Convert to fraction form
    28,057.33/38,719.47 = 16,733.28/x
  3. Step 3: Cross multiply
    28,057.33x = 38,719.47 × 16,733.28
  4. Step 4: Simplify right side
    28,057.33x = 647,903,846.78
  5. Step 5: Solve for x
    x = 647,903,846.78/28,057.33
  6. Step 6: Final answer
    x = 23,092.14

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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.