Home / 26,735.70-36,904.50-15,409.71

Finding the Fourth Proportional to 26,735.70, 36,904.50 and 15,409.71

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Solution

The fourth proportional to 26,735.70, 36,904.50 and 15,409.71 is: 21,270.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,735.70 : 36,904.50 = 15,409.71 : x
  2. Step 2: Convert to fraction form
    26,735.70/36,904.50 = 15,409.71/x
  3. Step 3: Cross multiply
    26,735.70x = 36,904.50 × 15,409.71
  4. Step 4: Simplify right side
    26,735.70x = 568,687,642.70
  5. Step 5: Solve for x
    x = 568,687,642.70/26,735.70
  6. Step 6: Final answer
    x = 21,270.72

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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.