Home / 18,698.24-28,065.60-15,444.48

Finding the Fourth Proportional to 18,698.24, 28,065.60 and 15,444.48

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Solution

The fourth proportional to 18,698.24, 28,065.60 and 15,444.48 is: 23,181.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,698.24 : 28,065.60 = 15,444.48 : x
  2. Step 2: Convert to fraction form
    18,698.24/28,065.60 = 15,444.48/x
  3. Step 3: Cross multiply
    18,698.24x = 28,065.60 × 15,444.48
  4. Step 4: Simplify right side
    18,698.24x = 433,458,597.89
  5. Step 5: Solve for x
    x = 433,458,597.89/18,698.24
  6. Step 6: Final answer
    x = 23,181.79

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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.