Home / 27,994.73-38,632.14-15,248.05

Finding the Fourth Proportional to 27,994.73, 38,632.14 and 15,248.05

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Solution

The fourth proportional to 27,994.73, 38,632.14 and 15,248.05 is: 21,041.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,994.73 : 38,632.14 = 15,248.05 : x
  2. Step 2: Convert to fraction form
    27,994.73/38,632.14 = 15,248.05/x
  3. Step 3: Cross multiply
    27,994.73x = 38,632.14 × 15,248.05
  4. Step 4: Simplify right side
    27,994.73x = 589,064,705.75
  5. Step 5: Solve for x
    x = 589,064,705.75/27,994.73
  6. Step 6: Final answer
    x = 21,041.99

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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.