Home / 27,860.81-38,426.46-19,362.83

Finding the Fourth Proportional to 27,860.81, 38,426.46 and 19,362.83

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Solution

The fourth proportional to 27,860.81, 38,426.46 and 19,362.83 is: 26,705.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,860.81 : 38,426.46 = 19,362.83 : x
  2. Step 2: Convert to fraction form
    27,860.81/38,426.46 = 19,362.83/x
  3. Step 3: Cross multiply
    27,860.81x = 38,426.46 × 19,362.83
  4. Step 4: Simplify right side
    27,860.81x = 744,045,012.48
  5. Step 5: Solve for x
    x = 744,045,012.48/27,860.81
  6. Step 6: Final answer
    x = 26,705.79

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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.