Home / 28,293.89-42,450.03-13,500.90

Finding the Fourth Proportional to 28,293.89, 42,450.03 and 13,500.90

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Solution

The fourth proportional to 28,293.89, 42,450.03 and 13,500.90 is: 20,255.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,293.89 : 42,450.03 = 13,500.90 : x
  2. Step 2: Convert to fraction form
    28,293.89/42,450.03 = 13,500.90/x
  3. Step 3: Cross multiply
    28,293.89x = 42,450.03 × 13,500.90
  4. Step 4: Simplify right side
    28,293.89x = 573,113,610.03
  5. Step 5: Solve for x
    x = 573,113,610.03/28,293.89
  6. Step 6: Final answer
    x = 20,255.74

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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.