Home / 28,694.05-39,597.51-15,947.28

Finding the Fourth Proportional to 28,694.05, 39,597.51 and 15,947.28

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Solution

The fourth proportional to 28,694.05, 39,597.51 and 15,947.28 is: 22,007.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,694.05 : 39,597.51 = 15,947.28 : x
  2. Step 2: Convert to fraction form
    28,694.05/39,597.51 = 15,947.28/x
  3. Step 3: Cross multiply
    28,694.05x = 39,597.51 × 15,947.28
  4. Step 4: Simplify right side
    28,694.05x = 631,472,549.37
  5. Step 5: Solve for x
    x = 631,472,549.37/28,694.05
  6. Step 6: Final answer
    x = 22,007.09

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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.