Home / 35,603.20-53,361.60-15,860.80

Finding the Fourth Proportional to 35,603.20, 53,361.60 and 15,860.80

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Solution

The fourth proportional to 35,603.20, 53,361.60 and 15,860.80 is: 23,771.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,603.20 : 53,361.60 = 15,860.80 : x
  2. Step 2: Convert to fraction form
    35,603.20/53,361.60 = 15,860.80/x
  3. Step 3: Cross multiply
    35,603.20x = 53,361.60 × 15,860.80
  4. Step 4: Simplify right side
    35,603.20x = 846,357,665.28
  5. Step 5: Solve for x
    x = 846,357,665.28/35,603.20
  6. Step 6: Final answer
    x = 23,771.95

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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.