Home / 28,652.00-39,539.14-15,904.44

Finding the Fourth Proportional to 28,652.00, 39,539.14 and 15,904.44

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Solution

The fourth proportional to 28,652.00, 39,539.14 and 15,904.44 is: 21,947.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,652.00 : 39,539.14 = 15,904.44 : x
  2. Step 2: Convert to fraction form
    28,652.00/39,539.14 = 15,904.44/x
  3. Step 3: Cross multiply
    28,652.00x = 39,539.14 × 15,904.44
  4. Step 4: Simplify right side
    28,652.00x = 628,847,840.02
  5. Step 5: Solve for x
    x = 628,847,840.02/28,652.00
  6. Step 6: Final answer
    x = 21,947.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.