Home / 28,993.78-40,011.39-16,247.06

Finding the Fourth Proportional to 28,993.78, 40,011.39 and 16,247.06

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Solution

The fourth proportional to 28,993.78, 40,011.39 and 16,247.06 is: 22,420.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,993.78 : 40,011.39 = 16,247.06 : x
  2. Step 2: Convert to fraction form
    28,993.78/40,011.39 = 16,247.06/x
  3. Step 3: Cross multiply
    28,993.78x = 40,011.39 × 16,247.06
  4. Step 4: Simplify right side
    28,993.78x = 650,067,554.04
  5. Step 5: Solve for x
    x = 650,067,554.04/28,993.78
  6. Step 6: Final answer
    x = 22,420.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.