Home / 28,885.12-43,346.04-15,745.84

Finding the Fourth Proportional to 28,885.12, 43,346.04 and 15,745.84

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Solution

The fourth proportional to 28,885.12, 43,346.04 and 15,745.84 is: 23,628.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,885.12 : 43,346.04 = 15,745.84 : x
  2. Step 2: Convert to fraction form
    28,885.12/43,346.04 = 15,745.84/x
  3. Step 3: Cross multiply
    28,885.12x = 43,346.04 × 15,745.84
  4. Step 4: Simplify right side
    28,885.12x = 682,519,810.47
  5. Step 5: Solve for x
    x = 682,519,810.47/28,885.12
  6. Step 6: Final answer
    x = 23,628.77

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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.