Home / 19,709.36-27,208.95-15,223.04

Finding the Fourth Proportional to 19,709.36, 27,208.95 and 15,223.04

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Solution

The fourth proportional to 19,709.36, 27,208.95 and 15,223.04 is: 21,015.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,709.36 : 27,208.95 = 15,223.04 : x
  2. Step 2: Convert to fraction form
    19,709.36/27,208.95 = 15,223.04/x
  3. Step 3: Cross multiply
    19,709.36x = 27,208.95 × 15,223.04
  4. Step 4: Simplify right side
    19,709.36x = 414,202,934.21
  5. Step 5: Solve for x
    x = 414,202,934.21/19,709.36
  6. Step 6: Final answer
    x = 21,015.54

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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.