Home / 28,974.90-43,434.61-9,242.58

Finding the Fourth Proportional to 28,974.90, 43,434.61 and 9,242.58

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Solution

The fourth proportional to 28,974.90, 43,434.61 and 9,242.58 is: 13,855.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,974.90 : 43,434.61 = 9,242.58 : x
  2. Step 2: Convert to fraction form
    28,974.90/43,434.61 = 9,242.58/x
  3. Step 3: Cross multiply
    28,974.90x = 43,434.61 × 9,242.58
  4. Step 4: Simplify right side
    28,974.90x = 401,447,857.69
  5. Step 5: Solve for x
    x = 401,447,857.69/28,974.90
  6. Step 6: Final answer
    x = 13,855.02

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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.