Home / 28,879.02-43,300.71-11,340.90

Finding the Fourth Proportional to 28,879.02, 43,300.71 and 11,340.90

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Solution

The fourth proportional to 28,879.02, 43,300.71 and 11,340.90 is: 17,004.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,879.02 : 43,300.71 = 11,340.90 : x
  2. Step 2: Convert to fraction form
    28,879.02/43,300.71 = 11,340.90/x
  3. Step 3: Cross multiply
    28,879.02x = 43,300.71 × 11,340.90
  4. Step 4: Simplify right side
    28,879.02x = 491,069,022.04
  5. Step 5: Solve for x
    x = 491,069,022.04/28,879.02
  6. Step 6: Final answer
    x = 17,004.35

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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.