Home / 27,774.63-38,289.12-19,803.02

Finding the Fourth Proportional to 27,774.63, 38,289.12 and 19,803.02

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Solution

The fourth proportional to 27,774.63, 38,289.12 and 19,803.02 is: 27,299.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,774.63 : 38,289.12 = 19,803.02 : x
  2. Step 2: Convert to fraction form
    27,774.63/38,289.12 = 19,803.02/x
  3. Step 3: Cross multiply
    27,774.63x = 38,289.12 × 19,803.02
  4. Step 4: Simplify right side
    27,774.63x = 758,239,918.68
  5. Step 5: Solve for x
    x = 758,239,918.68/27,774.63
  6. Step 6: Final answer
    x = 27,299.73

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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.