Home / 28,743.39-43,089.57-11,225.52

Finding the Fourth Proportional to 28,743.39, 43,089.57 and 11,225.52

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Solution

The fourth proportional to 28,743.39, 43,089.57 and 11,225.52 is: 16,828.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,743.39 : 43,089.57 = 11,225.52 : x
  2. Step 2: Convert to fraction form
    28,743.39/43,089.57 = 11,225.52/x
  3. Step 3: Cross multiply
    28,743.39x = 43,089.57 × 11,225.52
  4. Step 4: Simplify right side
    28,743.39x = 483,702,829.83
  5. Step 5: Solve for x
    x = 483,702,829.83/28,743.39
  6. Step 6: Final answer
    x = 16,828.32

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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.