Home / 28,603.53-39,471.71-16,667.37

Finding the Fourth Proportional to 28,603.53, 39,471.71 and 16,667.37

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Solution

The fourth proportional to 28,603.53, 39,471.71 and 16,667.37 is: 23,000.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,603.53 : 39,471.71 = 16,667.37 : x
  2. Step 2: Convert to fraction form
    28,603.53/39,471.71 = 16,667.37/x
  3. Step 3: Cross multiply
    28,603.53x = 39,471.71 × 16,667.37
  4. Step 4: Simplify right side
    28,603.53x = 657,889,511.77
  5. Step 5: Solve for x
    x = 657,889,511.77/28,603.53
  6. Step 6: Final answer
    x = 23,000.29

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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.