Home / 28,629.12-39,510.36-16,692.96

Finding the Fourth Proportional to 28,629.12, 39,510.36 and 16,692.96

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Solution

The fourth proportional to 28,629.12, 39,510.36 and 16,692.96 is: 23,037.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,629.12 : 39,510.36 = 16,692.96 : x
  2. Step 2: Convert to fraction form
    28,629.12/39,510.36 = 16,692.96/x
  3. Step 3: Cross multiply
    28,629.12x = 39,510.36 × 16,692.96
  4. Step 4: Simplify right side
    28,629.12x = 659,544,859.07
  5. Step 5: Solve for x
    x = 659,544,859.07/28,629.12
  6. Step 6: Final answer
    x = 23,037.55

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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.