Home / 28,344.72-39,116.07-15,599.37

Finding the Fourth Proportional to 28,344.72, 39,116.07 and 15,599.37

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Solution

The fourth proportional to 28,344.72, 39,116.07 and 15,599.37 is: 21,527.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,344.72 : 39,116.07 = 15,599.37 : x
  2. Step 2: Convert to fraction form
    28,344.72/39,116.07 = 15,599.37/x
  3. Step 3: Cross multiply
    28,344.72x = 39,116.07 × 15,599.37
  4. Step 4: Simplify right side
    28,344.72x = 610,186,048.88
  5. Step 5: Solve for x
    x = 610,186,048.88/28,344.72
  6. Step 6: Final answer
    x = 21,527.33

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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.