Home / 28,295.09-42,449.19-8,303.77

Finding the Fourth Proportional to 28,295.09, 42,449.19 and 8,303.77

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Solution

The fourth proportional to 28,295.09, 42,449.19 and 8,303.77 is: 12,457.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,295.09 : 42,449.19 = 8,303.77 : x
  2. Step 2: Convert to fraction form
    28,295.09/42,449.19 = 8,303.77/x
  3. Step 3: Cross multiply
    28,295.09x = 42,449.19 × 8,303.77
  4. Step 4: Simplify right side
    28,295.09x = 352,488,098.20
  5. Step 5: Solve for x
    x = 352,488,098.20/28,295.09
  6. Step 6: Final answer
    x = 12,457.57

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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.