Home / 43,254.09-64,917.59-16,977.28

Finding the Fourth Proportional to 43,254.09, 64,917.59 and 16,977.28

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Solution

The fourth proportional to 43,254.09, 64,917.59 and 16,977.28 is: 25,480.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,254.09 : 64,917.59 = 16,977.28 : x
  2. Step 2: Convert to fraction form
    43,254.09/64,917.59 = 16,977.28/x
  3. Step 3: Cross multiply
    43,254.09x = 64,917.59 × 16,977.28
  4. Step 4: Simplify right side
    43,254.09x = 1,102,124,102.36
  5. Step 5: Solve for x
    x = 1,102,124,102.36/43,254.09
  6. Step 6: Final answer
    x = 25,480.23

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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.