Home / 28,903.03-43,354.56-8,126.53

Finding the Fourth Proportional to 28,903.03, 43,354.56 and 8,126.53

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Solution

The fourth proportional to 28,903.03, 43,354.56 and 8,126.53 is: 12,189.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,903.03 : 43,354.56 = 8,126.53 : x
  2. Step 2: Convert to fraction form
    28,903.03/43,354.56 = 8,126.53/x
  3. Step 3: Cross multiply
    28,903.03x = 43,354.56 × 8,126.53
  4. Step 4: Simplify right side
    28,903.03x = 352,322,217.14
  5. Step 5: Solve for x
    x = 352,322,217.14/28,903.03
  6. Step 6: Final answer
    x = 12,189.80

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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.