Home / 17,957.22-26,939.20-5,478.36

Finding the Fourth Proportional to 17,957.22, 26,939.20 and 5,478.36

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Solution

The fourth proportional to 17,957.22, 26,939.20 and 5,478.36 is: 8,218.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,957.22 : 26,939.20 = 5,478.36 : x
  2. Step 2: Convert to fraction form
    17,957.22/26,939.20 = 5,478.36/x
  3. Step 3: Cross multiply
    17,957.22x = 26,939.20 × 5,478.36
  4. Step 4: Simplify right side
    17,957.22x = 147,582,635.71
  5. Step 5: Solve for x
    x = 147,582,635.71/17,957.22
  6. Step 6: Final answer
    x = 8,218.57

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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.