Home / 28,196.08-42,284.40-9,473.20

Finding the Fourth Proportional to 28,196.08, 42,284.40 and 9,473.20

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Solution

The fourth proportional to 28,196.08, 42,284.40 and 9,473.20 is: 14,206.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,196.08 : 42,284.40 = 9,473.20 : x
  2. Step 2: Convert to fraction form
    28,196.08/42,284.40 = 9,473.20/x
  3. Step 3: Cross multiply
    28,196.08x = 42,284.40 × 9,473.20
  4. Step 4: Simplify right side
    28,196.08x = 400,568,578.08
  5. Step 5: Solve for x
    x = 400,568,578.08/28,196.08
  6. Step 6: Final answer
    x = 14,206.53

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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.