Home / 28,000.27-42,000.30-23,059.47

Finding the Fourth Proportional to 28,000.27, 42,000.30 and 23,059.47

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Solution

The fourth proportional to 28,000.27, 42,000.30 and 23,059.47 is: 34,589.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,000.27 : 42,000.30 = 23,059.47 : x
  2. Step 2: Convert to fraction form
    28,000.27/42,000.30 = 23,059.47/x
  3. Step 3: Cross multiply
    28,000.27x = 42,000.30 × 23,059.47
  4. Step 4: Simplify right side
    28,000.27x = 968,504,657.84
  5. Step 5: Solve for x
    x = 968,504,657.84/28,000.27
  6. Step 6: Final answer
    x = 34,589.12

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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.