Home / 28,181.96-38,888.82-16,237.28

Finding the Fourth Proportional to 28,181.96, 38,888.82 and 16,237.28

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Solution

The fourth proportional to 28,181.96, 38,888.82 and 16,237.28 is: 22,406.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,181.96 : 38,888.82 = 16,237.28 : x
  2. Step 2: Convert to fraction form
    28,181.96/38,888.82 = 16,237.28/x
  3. Step 3: Cross multiply
    28,181.96x = 38,888.82 × 16,237.28
  4. Step 4: Simplify right side
    28,181.96x = 631,448,659.21
  5. Step 5: Solve for x
    x = 631,448,659.21/28,181.96
  6. Step 6: Final answer
    x = 22,406.13

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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.