Home / 28,903.53-43,355.32-8,127.03

Finding the Fourth Proportional to 28,903.53, 43,355.32 and 8,127.03

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Solution

The fourth proportional to 28,903.53, 43,355.32 and 8,127.03 is: 12,190.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,903.53 : 43,355.32 = 8,127.03 : x
  2. Step 2: Convert to fraction form
    28,903.53/43,355.32 = 8,127.03/x
  3. Step 3: Cross multiply
    28,903.53x = 43,355.32 × 8,127.03
  4. Step 4: Simplify right side
    28,903.53x = 352,349,945.66
  5. Step 5: Solve for x
    x = 352,349,945.66/28,903.53
  6. Step 6: Final answer
    x = 12,190.55

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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.