Home / 27,933.93-38,557-16,611.40

Finding the Fourth Proportional to 27,933.93, 38,557 and 16,611.40

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Solution

The fourth proportional to 27,933.93, 38,557 and 16,611.40 is: 22,928.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,933.93 : 38,557 = 16,611.40 : x
  2. Step 2: Convert to fraction form
    27,933.93/38,557 = 16,611.40/x
  3. Step 3: Cross multiply
    27,933.93x = 38,557 × 16,611.40
  4. Step 4: Simplify right side
    27,933.93x = 640,485,749.80
  5. Step 5: Solve for x
    x = 640,485,749.80/27,933.93
  6. Step 6: Final answer
    x = 22,928.59

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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.