Home / 28,080.52-42,099.60-16,984.84

Finding the Fourth Proportional to 28,080.52, 42,099.60 and 16,984.84

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Solution

The fourth proportional to 28,080.52, 42,099.60 and 16,984.84 is: 25,464.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080.52 : 42,099.60 = 16,984.84 : x
  2. Step 2: Convert to fraction form
    28,080.52/42,099.60 = 16,984.84/x
  3. Step 3: Cross multiply
    28,080.52x = 42,099.60 × 16,984.84
  4. Step 4: Simplify right side
    28,080.52x = 715,054,970.06
  5. Step 5: Solve for x
    x = 715,054,970.06/28,080.52
  6. Step 6: Final answer
    x = 25,464.45

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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.