Home / 28,348.68-42,528.80-9,893.64

Finding the Fourth Proportional to 28,348.68, 42,528.80 and 9,893.64

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Solution

The fourth proportional to 28,348.68, 42,528.80 and 9,893.64 is: 14,842.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,348.68 : 42,528.80 = 9,893.64 : x
  2. Step 2: Convert to fraction form
    28,348.68/42,528.80 = 9,893.64/x
  3. Step 3: Cross multiply
    28,348.68x = 42,528.80 × 9,893.64
  4. Step 4: Simplify right side
    28,348.68x = 420,764,636.83
  5. Step 5: Solve for x
    x = 420,764,636.83/28,348.68
  6. Step 6: Final answer
    x = 14,842.48

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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.