Home / 28,087.26-42,130.50-7,027.22

Finding the Fourth Proportional to 28,087.26, 42,130.50 and 7,027.22

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Solution

The fourth proportional to 28,087.26, 42,130.50 and 7,027.22 is: 10,540.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,087.26 : 42,130.50 = 7,027.22 : x
  2. Step 2: Convert to fraction form
    28,087.26/42,130.50 = 7,027.22/x
  3. Step 3: Cross multiply
    28,087.26x = 42,130.50 × 7,027.22
  4. Step 4: Simplify right side
    28,087.26x = 296,060,252.74
  5. Step 5: Solve for x
    x = 296,060,252.74/28,087.26
  6. Step 6: Final answer
    x = 10,540.73

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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.