Home / 43,268.02-64,902.05-16,980.28

Finding the Fourth Proportional to 43,268.02, 64,902.05 and 16,980.28

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Solution

The fourth proportional to 43,268.02, 64,902.05 and 16,980.28 is: 25,470.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,268.02 : 64,902.05 = 16,980.28 : x
  2. Step 2: Convert to fraction form
    43,268.02/64,902.05 = 16,980.28/x
  3. Step 3: Cross multiply
    43,268.02x = 64,902.05 × 16,980.28
  4. Step 4: Simplify right side
    43,268.02x = 1,102,054,798.09
  5. Step 5: Solve for x
    x = 1,102,054,798.09/43,268.02
  6. Step 6: Final answer
    x = 25,470.43

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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.