Home / 35,406.78-53,128.80-15,698.94

Finding the Fourth Proportional to 35,406.78, 53,128.80 and 15,698.94

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Solution

The fourth proportional to 35,406.78, 53,128.80 and 15,698.94 is: 23,556.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,406.78 : 53,128.80 = 15,698.94 : x
  2. Step 2: Convert to fraction form
    35,406.78/53,128.80 = 15,698.94/x
  3. Step 3: Cross multiply
    35,406.78x = 53,128.80 × 15,698.94
  4. Step 4: Simplify right side
    35,406.78x = 834,065,843.47
  5. Step 5: Solve for x
    x = 834,065,843.47/35,406.78
  6. Step 6: Final answer
    x = 23,556.67

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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.