Home / 28,903.63-43,355.44-8,127.13

Finding the Fourth Proportional to 28,903.63, 43,355.44 and 8,127.13

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Solution

The fourth proportional to 28,903.63, 43,355.44 and 8,127.13 is: 12,190.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,903.63 : 43,355.44 = 8,127.13 : x
  2. Step 2: Convert to fraction form
    28,903.63/43,355.44 = 8,127.13/x
  3. Step 3: Cross multiply
    28,903.63x = 43,355.44 × 8,127.13
  4. Step 4: Simplify right side
    28,903.63x = 352,355,297.09
  5. Step 5: Solve for x
    x = 352,355,297.09/28,903.63
  6. Step 6: Final answer
    x = 12,190.69

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1.5x scale

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.