Home / 28,952.89-43,428.83-9,231.28

Finding the Fourth Proportional to 28,952.89, 43,428.83 and 9,231.28

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Solution

The fourth proportional to 28,952.89, 43,428.83 and 9,231.28 is: 13,846.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,952.89 : 43,428.83 = 9,231.28 : x
  2. Step 2: Convert to fraction form
    28,952.89/43,428.83 = 9,231.28/x
  3. Step 3: Cross multiply
    28,952.89x = 43,428.83 × 9,231.28
  4. Step 4: Simplify right side
    28,952.89x = 400,903,535.07
  5. Step 5: Solve for x
    x = 400,903,535.07/28,952.89
  6. Step 6: Final answer
    x = 13,846.75

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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.