Home / 27,698.70-38,225.43-15,763.26

Finding the Fourth Proportional to 27,698.70, 38,225.43 and 15,763.26

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Solution

The fourth proportional to 27,698.70, 38,225.43 and 15,763.26 is: 21,754.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,698.70 : 38,225.43 = 15,763.26 : x
  2. Step 2: Convert to fraction form
    27,698.70/38,225.43 = 15,763.26/x
  3. Step 3: Cross multiply
    27,698.70x = 38,225.43 × 15,763.26
  4. Step 4: Simplify right side
    27,698.70x = 602,557,391.70
  5. Step 5: Solve for x
    x = 602,557,391.70/27,698.70
  6. Step 6: Final answer
    x = 21,754.00

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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.