Home / 28,907.24-43,361.10-8,130.92

Finding the Fourth Proportional to 28,907.24, 43,361.10 and 8,130.92

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Solution

The fourth proportional to 28,907.24, 43,361.10 and 8,130.92 is: 12,196.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,907.24 : 43,361.10 = 8,130.92 : x
  2. Step 2: Convert to fraction form
    28,907.24/43,361.10 = 8,130.92/x
  3. Step 3: Cross multiply
    28,907.24x = 43,361.10 × 8,130.92
  4. Step 4: Simplify right side
    28,907.24x = 352,565,635.21
  5. Step 5: Solve for x
    x = 352,565,635.21/28,907.24
  6. Step 6: Final answer
    x = 12,196.45

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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.