Home / 28,465.45-42,698.32-11,825.50

Finding the Fourth Proportional to 28,465.45, 42,698.32 and 11,825.50

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Solution

The fourth proportional to 28,465.45, 42,698.32 and 11,825.50 is: 17,738.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,465.45 : 42,698.32 = 11,825.50 : x
  2. Step 2: Convert to fraction form
    28,465.45/42,698.32 = 11,825.50/x
  3. Step 3: Cross multiply
    28,465.45x = 42,698.32 × 11,825.50
  4. Step 4: Simplify right side
    28,465.45x = 504,928,926.91
  5. Step 5: Solve for x
    x = 504,928,926.91/28,465.45
  6. Step 6: Final answer
    x = 17,738.31

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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.