Home / 28,990.48-43,468.26-15,824.56

Finding the Fourth Proportional to 28,990.48, 43,468.26 and 15,824.56

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Solution

The fourth proportional to 28,990.48, 43,468.26 and 15,824.56 is: 23,727.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,990.48 : 43,468.26 = 15,824.56 : x
  2. Step 2: Convert to fraction form
    28,990.48/43,468.26 = 15,824.56/x
  3. Step 3: Cross multiply
    28,990.48x = 43,468.26 × 15,824.56
  4. Step 4: Simplify right side
    28,990.48x = 687,866,088.47
  5. Step 5: Solve for x
    x = 687,866,088.47/28,990.48
  6. Step 6: Final answer
    x = 23,727.31

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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.