Home / 27,142.40-40,622.88-15,452.48

Finding the Fourth Proportional to 27,142.40, 40,622.88 and 15,452.48

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Solution

The fourth proportional to 27,142.40, 40,622.88 and 15,452.48 is: 23,127.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,142.40 : 40,622.88 = 15,452.48 : x
  2. Step 2: Convert to fraction form
    27,142.40/40,622.88 = 15,452.48/x
  3. Step 3: Cross multiply
    27,142.40x = 40,622.88 × 15,452.48
  4. Step 4: Simplify right side
    27,142.40x = 627,724,240.74
  5. Step 5: Solve for x
    x = 627,724,240.74/27,142.40
  6. Step 6: Final answer
    x = 23,127.07

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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.