Home / 28,855.76-43,303.08-11,323.52

Finding the Fourth Proportional to 28,855.76, 43,303.08 and 11,323.52

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Solution

The fourth proportional to 28,855.76, 43,303.08 and 11,323.52 is: 16,992.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,855.76 : 43,303.08 = 11,323.52 : x
  2. Step 2: Convert to fraction form
    28,855.76/43,303.08 = 11,323.52/x
  3. Step 3: Cross multiply
    28,855.76x = 43,303.08 × 11,323.52
  4. Step 4: Simplify right side
    28,855.76x = 490,343,155.88
  5. Step 5: Solve for x
    x = 490,343,155.88/28,855.76
  6. Step 6: Final answer
    x = 16,992.91

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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.