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Finding the Fourth Proportional to 25,993.37, 38,985.77 and 9,350.30

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Solution

The fourth proportional to 25,993.37, 38,985.77 and 9,350.30 is: 14,023.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,993.37 : 38,985.77 = 9,350.30 : x
  2. Step 2: Convert to fraction form
    25,993.37/38,985.77 = 9,350.30/x
  3. Step 3: Cross multiply
    25,993.37x = 38,985.77 × 9,350.30
  4. Step 4: Simplify right side
    25,993.37x = 364,528,766.07
  5. Step 5: Solve for x
    x = 364,528,766.07/25,993.37
  6. Step 6: Final answer
    x = 14,023.91

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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.