Home / 28,496.84-42,753.90-20,192.95

Finding the Fourth Proportional to 28,496.84, 42,753.90 and 20,192.95

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Solution

The fourth proportional to 28,496.84, 42,753.90 and 20,192.95 is: 30,295.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,496.84 : 42,753.90 = 20,192.95 : x
  2. Step 2: Convert to fraction form
    28,496.84/42,753.90 = 20,192.95/x
  3. Step 3: Cross multiply
    28,496.84x = 42,753.90 × 20,192.95
  4. Step 4: Simplify right side
    28,496.84x = 863,327,151.24
  5. Step 5: Solve for x
    x = 863,327,151.24/28,496.84
  6. Step 6: Final answer
    x = 30,295.54

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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.