Home / 28,093.40-42,140.10-25,328.60

Finding the Fourth Proportional to 28,093.40, 42,140.10 and 25,328.60

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Solution

The fourth proportional to 28,093.40, 42,140.10 and 25,328.60 is: 37,992.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,093.40 : 42,140.10 = 25,328.60 : x
  2. Step 2: Convert to fraction form
    28,093.40/42,140.10 = 25,328.60/x
  3. Step 3: Cross multiply
    28,093.40x = 42,140.10 × 25,328.60
  4. Step 4: Simplify right side
    28,093.40x = 1,067,349,736.86
  5. Step 5: Solve for x
    x = 1,067,349,736.86/28,093.40
  6. Step 6: Final answer
    x = 37,992.90

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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.