Home / 38,336.99-52,890.35-28,289.40

Finding the Fourth Proportional to 38,336.99, 52,890.35 and 28,289.40

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Solution

The fourth proportional to 38,336.99, 52,890.35 and 28,289.40 is: 39,028.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,336.99 : 52,890.35 = 28,289.40 : x
  2. Step 2: Convert to fraction form
    38,336.99/52,890.35 = 28,289.40/x
  3. Step 3: Cross multiply
    38,336.99x = 52,890.35 × 28,289.40
  4. Step 4: Simplify right side
    38,336.99x = 1,496,236,125.84
  5. Step 5: Solve for x
    x = 1,496,236,125.84/38,336.99
  6. Step 6: Final answer
    x = 39,028.53

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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.