Home / 28,326.72-42,504.36-20,059.86

Finding the Fourth Proportional to 28,326.72, 42,504.36 and 20,059.86

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Solution

The fourth proportional to 28,326.72, 42,504.36 and 20,059.86 is: 30,099.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,326.72 : 42,504.36 = 20,059.86 : x
  2. Step 2: Convert to fraction form
    28,326.72/42,504.36 = 20,059.86/x
  3. Step 3: Cross multiply
    28,326.72x = 42,504.36 × 20,059.86
  4. Step 4: Simplify right side
    28,326.72x = 852,631,510.99
  5. Step 5: Solve for x
    x = 852,631,510.99/28,326.72
  6. Step 6: Final answer
    x = 30,099.90

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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.