Home / 28,716.02-43,074.10-8,996.30

Finding the Fourth Proportional to 28,716.02, 43,074.10 and 8,996.30

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Solution

The fourth proportional to 28,716.02, 43,074.10 and 8,996.30 is: 13,494.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,716.02 : 43,074.10 = 8,996.30 : x
  2. Step 2: Convert to fraction form
    28,716.02/43,074.10 = 8,996.30/x
  3. Step 3: Cross multiply
    28,716.02x = 43,074.10 × 8,996.30
  4. Step 4: Simplify right side
    28,716.02x = 387,507,525.83
  5. Step 5: Solve for x
    x = 387,507,525.83/28,716.02
  6. Step 6: Final answer
    x = 13,494.47

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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.