Home / 28,015.49-38,646.34-17,933.08

Finding the Fourth Proportional to 28,015.49, 38,646.34 and 17,933.08

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Solution

The fourth proportional to 28,015.49, 38,646.34 and 17,933.08 is: 24,738.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,015.49 : 38,646.34 = 17,933.08 : x
  2. Step 2: Convert to fraction form
    28,015.49/38,646.34 = 17,933.08/x
  3. Step 3: Cross multiply
    28,015.49x = 38,646.34 × 17,933.08
  4. Step 4: Simplify right side
    28,015.49x = 693,047,906.93
  5. Step 5: Solve for x
    x = 693,047,906.93/28,015.49
  6. Step 6: Final answer
    x = 24,738.03

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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.