Home / 20,975.37-31,606.48-17,357.37

Finding the Fourth Proportional to 20,975.37, 31,606.48 and 17,357.37

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Solution

The fourth proportional to 20,975.37, 31,606.48 and 17,357.37 is: 26,154.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,975.37 : 31,606.48 = 17,357.37 : x
  2. Step 2: Convert to fraction form
    20,975.37/31,606.48 = 17,357.37/x
  3. Step 3: Cross multiply
    20,975.37x = 31,606.48 × 17,357.37
  4. Step 4: Simplify right side
    20,975.37x = 548,605,324.36
  5. Step 5: Solve for x
    x = 548,605,324.36/20,975.37
  6. Step 6: Final answer
    x = 26,154.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.