Home / 22,989.70-31,729.54-19,155.25

Finding the Fourth Proportional to 22,989.70, 31,729.54 and 19,155.25

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Solution

The fourth proportional to 22,989.70, 31,729.54 and 19,155.25 is: 26,437.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,989.70 : 31,729.54 = 19,155.25 : x
  2. Step 2: Convert to fraction form
    22,989.70/31,729.54 = 19,155.25/x
  3. Step 3: Cross multiply
    22,989.70x = 31,729.54 × 19,155.25
  4. Step 4: Simplify right side
    22,989.70x = 607,787,016.66
  5. Step 5: Solve for x
    x = 607,787,016.66/22,989.70
  6. Step 6: Final answer
    x = 26,437.37

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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.