Home / 28,512.45-42,793.29-25,190.91

Finding the Fourth Proportional to 28,512.45, 42,793.29 and 25,190.91

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Solution

The fourth proportional to 28,512.45, 42,793.29 and 25,190.91 is: 37,808.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,512.45 : 42,793.29 = 25,190.91 : x
  2. Step 2: Convert to fraction form
    28,512.45/42,793.29 = 25,190.91/x
  3. Step 3: Cross multiply
    28,512.45x = 42,793.29 × 25,190.91
  4. Step 4: Simplify right side
    28,512.45x = 1,078,001,916.99
  5. Step 5: Solve for x
    x = 1,078,001,916.99/28,512.45
  6. Step 6: Final answer
    x = 37,808.11

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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.