Home / 28,756.48-43,104-20,523.52

Finding the Fourth Proportional to 28,756.48, 43,104 and 20,523.52

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Solution

The fourth proportional to 28,756.48, 43,104 and 20,523.52 is: 30,763.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,756.48 : 43,104 = 20,523.52 : x
  2. Step 2: Convert to fraction form
    28,756.48/43,104 = 20,523.52/x
  3. Step 3: Cross multiply
    28,756.48x = 43,104 × 20,523.52
  4. Step 4: Simplify right side
    28,756.48x = 884,645,806.08
  5. Step 5: Solve for x
    x = 884,645,806.08/28,756.48
  6. Step 6: Final answer
    x = 30,763.36

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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.