Home / 28,060.08-42,077.73-10,517.60

Finding the Fourth Proportional to 28,060.08, 42,077.73 and 10,517.60

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Solution

The fourth proportional to 28,060.08, 42,077.73 and 10,517.60 is: 15,771.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,060.08 : 42,077.73 = 10,517.60 : x
  2. Step 2: Convert to fraction form
    28,060.08/42,077.73 = 10,517.60/x
  3. Step 3: Cross multiply
    28,060.08x = 42,077.73 × 10,517.60
  4. Step 4: Simplify right side
    28,060.08x = 442,556,798.80
  5. Step 5: Solve for x
    x = 442,556,798.80/28,060.08
  6. Step 6: Final answer
    x = 15,771.76

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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.