Home / 28,943.08-43,415.38-7,883.30

Finding the Fourth Proportional to 28,943.08, 43,415.38 and 7,883.30

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Solution

The fourth proportional to 28,943.08, 43,415.38 and 7,883.30 is: 11,825.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,943.08 : 43,415.38 = 7,883.30 : x
  2. Step 2: Convert to fraction form
    28,943.08/43,415.38 = 7,883.30/x
  3. Step 3: Cross multiply
    28,943.08x = 43,415.38 × 7,883.30
  4. Step 4: Simplify right side
    28,943.08x = 342,256,208.66
  5. Step 5: Solve for x
    x = 342,256,208.66/28,943.08
  6. Step 6: Final answer
    x = 11,825.15

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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.