Home / 28,963.80-43,445.70-23,131.80

Finding the Fourth Proportional to 28,963.80, 43,445.70 and 23,131.80

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Solution

The fourth proportional to 28,963.80, 43,445.70 and 23,131.80 is: 34,697.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,963.80 : 43,445.70 = 23,131.80 : x
  2. Step 2: Convert to fraction form
    28,963.80/43,445.70 = 23,131.80/x
  3. Step 3: Cross multiply
    28,963.80x = 43,445.70 × 23,131.80
  4. Step 4: Simplify right side
    28,963.80x = 1,004,977,243.26
  5. Step 5: Solve for x
    x = 1,004,977,243.26/28,963.80
  6. Step 6: Final answer
    x = 34,697.70

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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.