Home / 28,653.94-39,541.81-15,906.39

Finding the Fourth Proportional to 28,653.94, 39,541.81 and 15,906.39

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Solution

The fourth proportional to 28,653.94, 39,541.81 and 15,906.39 is: 21,950.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,653.94 : 39,541.81 = 15,906.39 : x
  2. Step 2: Convert to fraction form
    28,653.94/39,541.81 = 15,906.39/x
  3. Step 3: Cross multiply
    28,653.94x = 39,541.81 × 15,906.39
  4. Step 4: Simplify right side
    28,653.94x = 628,967,451.17
  5. Step 5: Solve for x
    x = 628,967,451.17/28,653.94
  6. Step 6: Final answer
    x = 21,950.47

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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.