Home / 27,903.94-41,856.40-10,147.20

Finding the Fourth Proportional to 27,903.94, 41,856.40 and 10,147.20

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Solution

The fourth proportional to 27,903.94, 41,856.40 and 10,147.20 is: 15,220.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,903.94 : 41,856.40 = 10,147.20 : x
  2. Step 2: Convert to fraction form
    27,903.94/41,856.40 = 10,147.20/x
  3. Step 3: Cross multiply
    27,903.94x = 41,856.40 × 10,147.20
  4. Step 4: Simplify right side
    27,903.94x = 424,725,262.08
  5. Step 5: Solve for x
    x = 424,725,262.08/27,903.94
  6. Step 6: Final answer
    x = 15,220.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.