Home / 21,392.28-32,084.76-5,806.26

Finding the Fourth Proportional to 21,392.28, 32,084.76 and 5,806.26

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Solution

The fourth proportional to 21,392.28, 32,084.76 and 5,806.26 is: 8,708.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,392.28 : 32,084.76 = 5,806.26 : x
  2. Step 2: Convert to fraction form
    21,392.28/32,084.76 = 5,806.26/x
  3. Step 3: Cross multiply
    21,392.28x = 32,084.76 × 5,806.26
  4. Step 4: Simplify right side
    21,392.28x = 186,292,458.60
  5. Step 5: Solve for x
    x = 186,292,458.60/21,392.28
  6. Step 6: Final answer
    x = 8,708.40

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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.