Home / 20,929.82-31,364.01-10,527.26

Finding the Fourth Proportional to 20,929.82, 31,364.01 and 10,527.26

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Solution

The fourth proportional to 20,929.82, 31,364.01 and 10,527.26 is: 15,775.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,929.82 : 31,364.01 = 10,527.26 : x
  2. Step 2: Convert to fraction form
    20,929.82/31,364.01 = 10,527.26/x
  3. Step 3: Cross multiply
    20,929.82x = 31,364.01 × 10,527.26
  4. Step 4: Simplify right side
    20,929.82x = 330,177,087.91
  5. Step 5: Solve for x
    x = 330,177,087.91/20,929.82
  6. Step 6: Final answer
    x = 15,775.44

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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.