Home / 28,759.05-39,679.74-16,825.32

Finding the Fourth Proportional to 28,759.05, 39,679.74 and 16,825.32

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Solution

The fourth proportional to 28,759.05, 39,679.74 and 16,825.32 is: 23,214.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,759.05 : 39,679.74 = 16,825.32 : x
  2. Step 2: Convert to fraction form
    28,759.05/39,679.74 = 16,825.32/x
  3. Step 3: Cross multiply
    28,759.05x = 39,679.74 × 16,825.32
  4. Step 4: Simplify right side
    28,759.05x = 667,624,323.02
  5. Step 5: Solve for x
    x = 667,624,323.02/28,759.05
  6. Step 6: Final answer
    x = 23,214.41

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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.