Home / 28,903.25-43,328.59-11,122.56

Finding the Fourth Proportional to 28,903.25, 43,328.59 and 11,122.56

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Solution

The fourth proportional to 28,903.25, 43,328.59 and 11,122.56 is: 16,673.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,903.25 : 43,328.59 = 11,122.56 : x
  2. Step 2: Convert to fraction form
    28,903.25/43,328.59 = 11,122.56/x
  3. Step 3: Cross multiply
    28,903.25x = 43,328.59 × 11,122.56
  4. Step 4: Simplify right side
    28,903.25x = 481,924,814.18
  5. Step 5: Solve for x
    x = 481,924,814.18/28,903.25
  6. Step 6: Final answer
    x = 16,673.72

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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.