Home / 28,935.80-43,403.70-17,108.60

Finding the Fourth Proportional to 28,935.80, 43,403.70 and 17,108.60

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Solution

The fourth proportional to 28,935.80, 43,403.70 and 17,108.60 is: 25,662.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,935.80 : 43,403.70 = 17,108.60 : x
  2. Step 2: Convert to fraction form
    28,935.80/43,403.70 = 17,108.60/x
  3. Step 3: Cross multiply
    28,935.80x = 43,403.70 × 17,108.60
  4. Step 4: Simplify right side
    28,935.80x = 742,576,541.82
  5. Step 5: Solve for x
    x = 742,576,541.82/28,935.80
  6. Step 6: Final answer
    x = 25,662.90

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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.