Home / 28,959.40-43,439.91-10,236.79

Finding the Fourth Proportional to 28,959.40, 43,439.91 and 10,236.79

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Solution

The fourth proportional to 28,959.40, 43,439.91 and 10,236.79 is: 15,355.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,959.40 : 43,439.91 = 10,236.79 : x
  2. Step 2: Convert to fraction form
    28,959.40/43,439.91 = 10,236.79/x
  3. Step 3: Cross multiply
    28,959.40x = 43,439.91 × 10,236.79
  4. Step 4: Simplify right side
    28,959.40x = 444,685,236.29
  5. Step 5: Solve for x
    x = 444,685,236.29/28,959.40
  6. Step 6: Final answer
    x = 15,355.47

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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.