Home / 20,020.23-27,596.09-15,764.54

Finding the Fourth Proportional to 20,020.23, 27,596.09 and 15,764.54

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Solution

The fourth proportional to 20,020.23, 27,596.09 and 15,764.54 is: 21,730.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,020.23 : 27,596.09 = 15,764.54 : x
  2. Step 2: Convert to fraction form
    20,020.23/27,596.09 = 15,764.54/x
  3. Step 3: Cross multiply
    20,020.23x = 27,596.09 × 15,764.54
  4. Step 4: Simplify right side
    20,020.23x = 435,039,566.08
  5. Step 5: Solve for x
    x = 435,039,566.08/20,020.23
  6. Step 6: Final answer
    x = 21,730.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.