Home / 28,161.63-38,871.71-16,232.94

Finding the Fourth Proportional to 28,161.63, 38,871.71 and 16,232.94

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Solution

The fourth proportional to 28,161.63, 38,871.71 and 16,232.94 is: 22,406.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,161.63 : 38,871.71 = 16,232.94 : x
  2. Step 2: Convert to fraction form
    28,161.63/38,871.71 = 16,232.94/x
  3. Step 3: Cross multiply
    28,161.63x = 38,871.71 × 16,232.94
  4. Step 4: Simplify right side
    28,161.63x = 631,002,054.96
  5. Step 5: Solve for x
    x = 631,002,054.96/28,161.63
  6. Step 6: Final answer
    x = 22,406.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.