Home / 27,620.64-41,436.63-8,903.16

Finding the Fourth Proportional to 27,620.64, 41,436.63 and 8,903.16

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Solution

The fourth proportional to 27,620.64, 41,436.63 and 8,903.16 is: 13,356.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,620.64 : 41,436.63 = 8,903.16 : x
  2. Step 2: Convert to fraction form
    27,620.64/41,436.63 = 8,903.16/x
  3. Step 3: Cross multiply
    27,620.64x = 41,436.63 × 8,903.16
  4. Step 4: Simplify right side
    27,620.64x = 368,916,946.75
  5. Step 5: Solve for x
    x = 368,916,946.75/27,620.64
  6. Step 6: Final answer
    x = 13,356.57

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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.