Home / 19,778.07-27,293.43-10,825.35

Finding the Fourth Proportional to 19,778.07, 27,293.43 and 10,825.35

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Solution

The fourth proportional to 19,778.07, 27,293.43 and 10,825.35 is: 14,938.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,778.07 : 27,293.43 = 10,825.35 : x
  2. Step 2: Convert to fraction form
    19,778.07/27,293.43 = 10,825.35/x
  3. Step 3: Cross multiply
    19,778.07x = 27,293.43 × 10,825.35
  4. Step 4: Simplify right side
    19,778.07x = 295,460,932.45
  5. Step 5: Solve for x
    x = 295,460,932.45/19,778.07
  6. Step 6: Final answer
    x = 14,938.82

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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.