Home / 28,803.03-43,204.59-18,986.16

Finding the Fourth Proportional to 28,803.03, 43,204.59 and 18,986.16

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Solution

The fourth proportional to 28,803.03, 43,204.59 and 18,986.16 is: 28,479.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,803.03 : 43,204.59 = 18,986.16 : x
  2. Step 2: Convert to fraction form
    28,803.03/43,204.59 = 18,986.16/x
  3. Step 3: Cross multiply
    28,803.03x = 43,204.59 × 18,986.16
  4. Step 4: Simplify right side
    28,803.03x = 820,289,258.47
  5. Step 5: Solve for x
    x = 820,289,258.47/28,803.03
  6. Step 6: Final answer
    x = 28,479.27

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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.