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Finding the Fourth Proportional to 21,382.92, 32,068.91 and 9,529.99

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Solution

The fourth proportional to 21,382.92, 32,068.91 and 9,529.99 is: 14,292.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,382.92 : 32,068.91 = 9,529.99 : x
  2. Step 2: Convert to fraction form
    21,382.92/32,068.91 = 9,529.99/x
  3. Step 3: Cross multiply
    21,382.92x = 32,068.91 × 9,529.99
  4. Step 4: Simplify right side
    21,382.92x = 305,616,335.26
  5. Step 5: Solve for x
    x = 305,616,335.26/21,382.92
  6. Step 6: Final answer
    x = 14,292.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.