Home / 33,628.81-46,408.95-20,888.97

Finding the Fourth Proportional to 33,628.81, 46,408.95 and 20,888.97

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Solution

The fourth proportional to 33,628.81, 46,408.95 and 20,888.97 is: 28,827.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,628.81 : 46,408.95 = 20,888.97 : x
  2. Step 2: Convert to fraction form
    33,628.81/46,408.95 = 20,888.97/x
  3. Step 3: Cross multiply
    33,628.81x = 46,408.95 × 20,888.97
  4. Step 4: Simplify right side
    33,628.81x = 969,435,138.17
  5. Step 5: Solve for x
    x = 969,435,138.17/33,628.81
  6. Step 6: Final answer
    x = 28,827.52

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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.