Home / 27,860.36-38,425.79-19,362.31

Finding the Fourth Proportional to 27,860.36, 38,425.79 and 19,362.31

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Solution

The fourth proportional to 27,860.36, 38,425.79 and 19,362.31 is: 26,705.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,860.36 : 38,425.79 = 19,362.31 : x
  2. Step 2: Convert to fraction form
    27,860.36/38,425.79 = 19,362.31/x
  3. Step 3: Cross multiply
    27,860.36x = 38,425.79 × 19,362.31
  4. Step 4: Simplify right side
    27,860.36x = 744,012,010.32
  5. Step 5: Solve for x
    x = 744,012,010.32/27,860.36
  6. Step 6: Final answer
    x = 26,705.04

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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.