Home / 27,825.54-38,450.16-20,258.74

Finding the Fourth Proportional to 27,825.54, 38,450.16 and 20,258.74

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Solution

The fourth proportional to 27,825.54, 38,450.16 and 20,258.74 is: 27,994.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,825.54 : 38,450.16 = 20,258.74 : x
  2. Step 2: Convert to fraction form
    27,825.54/38,450.16 = 20,258.74/x
  3. Step 3: Cross multiply
    27,825.54x = 38,450.16 × 20,258.74
  4. Step 4: Simplify right side
    27,825.54x = 778,951,678.12
  5. Step 5: Solve for x
    x = 778,951,678.12/27,825.54
  6. Step 6: Final answer
    x = 27,994.13

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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.