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Finding the Fourth Proportional to 27,383.40, 41,075.10 and 8,915.40

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Solution

The fourth proportional to 27,383.40, 41,075.10 and 8,915.40 is: 13,373.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,383.40 : 41,075.10 = 8,915.40 : x
  2. Step 2: Convert to fraction form
    27,383.40/41,075.10 = 8,915.40/x
  3. Step 3: Cross multiply
    27,383.40x = 41,075.10 × 8,915.40
  4. Step 4: Simplify right side
    27,383.40x = 366,200,946.54
  5. Step 5: Solve for x
    x = 366,200,946.54/27,383.40
  6. Step 6: Final answer
    x = 13,373.10

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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.