Home / 28,939.36-43,409.56-10,218.94

Finding the Fourth Proportional to 28,939.36, 43,409.56 and 10,218.94

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Solution

The fourth proportional to 28,939.36, 43,409.56 and 10,218.94 is: 15,328.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,939.36 : 43,409.56 = 10,218.94 : x
  2. Step 2: Convert to fraction form
    28,939.36/43,409.56 = 10,218.94/x
  3. Step 3: Cross multiply
    28,939.36x = 43,409.56 × 10,218.94
  4. Step 4: Simplify right side
    28,939.36x = 443,599,689.07
  5. Step 5: Solve for x
    x = 443,599,689.07/28,939.36
  6. Step 6: Final answer
    x = 15,328.59

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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.