Home / 27,750.63-38,295.68-15,175.41

Finding the Fourth Proportional to 27,750.63, 38,295.68 and 15,175.41

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Solution

The fourth proportional to 27,750.63, 38,295.68 and 15,175.41 is: 20,941.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,750.63 : 38,295.68 = 15,175.41 : x
  2. Step 2: Convert to fraction form
    27,750.63/38,295.68 = 15,175.41/x
  3. Step 3: Cross multiply
    27,750.63x = 38,295.68 × 15,175.41
  4. Step 4: Simplify right side
    27,750.63x = 581,152,569.35
  5. Step 5: Solve for x
    x = 581,152,569.35/27,750.63
  6. Step 6: Final answer
    x = 20,941.96

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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.