Home / 27,543.80-41,315.70-17,161.40

Finding the Fourth Proportional to 27,543.80, 41,315.70 and 17,161.40

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Solution

The fourth proportional to 27,543.80, 41,315.70 and 17,161.40 is: 25,742.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,543.80 : 41,315.70 = 17,161.40 : x
  2. Step 2: Convert to fraction form
    27,543.80/41,315.70 = 17,161.40/x
  3. Step 3: Cross multiply
    27,543.80x = 41,315.70 × 17,161.40
  4. Step 4: Simplify right side
    27,543.80x = 709,035,253.98
  5. Step 5: Solve for x
    x = 709,035,253.98/27,543.80
  6. Step 6: Final answer
    x = 25,742.10

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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.