Home / 20,653.52-30,948.74-15,362.94

Finding the Fourth Proportional to 20,653.52, 30,948.74 and 15,362.94

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Solution

The fourth proportional to 20,653.52, 30,948.74 and 15,362.94 is: 23,020.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,653.52 : 30,948.74 = 15,362.94 : x
  2. Step 2: Convert to fraction form
    20,653.52/30,948.74 = 15,362.94/x
  3. Step 3: Cross multiply
    20,653.52x = 30,948.74 × 15,362.94
  4. Step 4: Simplify right side
    20,653.52x = 475,463,635.70
  5. Step 5: Solve for x
    x = 475,463,635.70/20,653.52
  6. Step 6: Final answer
    x = 23,020.95

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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.