Home / 27,628.79-41,437.31-7,902.05

Finding the Fourth Proportional to 27,628.79, 41,437.31 and 7,902.05

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Solution

The fourth proportional to 27,628.79, 41,437.31 and 7,902.05 is: 11,851.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,628.79 : 41,437.31 = 7,902.05 : x
  2. Step 2: Convert to fraction form
    27,628.79/41,437.31 = 7,902.05/x
  3. Step 3: Cross multiply
    27,628.79x = 41,437.31 × 7,902.05
  4. Step 4: Simplify right side
    27,628.79x = 327,439,448.79
  5. Step 5: Solve for x
    x = 327,439,448.79/27,628.79
  6. Step 6: Final answer
    x = 11,851.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.