Home / 28,699.92-39,601.50-16,122.24

Finding the Fourth Proportional to 28,699.92, 39,601.50 and 16,122.24

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Solution

The fourth proportional to 28,699.92, 39,601.50 and 16,122.24 is: 22,246.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,699.92 : 39,601.50 = 16,122.24 : x
  2. Step 2: Convert to fraction form
    28,699.92/39,601.50 = 16,122.24/x
  3. Step 3: Cross multiply
    28,699.92x = 39,601.50 × 16,122.24
  4. Step 4: Simplify right side
    28,699.92x = 638,464,887.36
  5. Step 5: Solve for x
    x = 638,464,887.36/28,699.92
  6. Step 6: Final answer
    x = 22,246.23

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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.