Home / 33,628.51-46,408.54-20,888.67

Finding the Fourth Proportional to 33,628.51, 46,408.54 and 20,888.67

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Solution

The fourth proportional to 33,628.51, 46,408.54 and 20,888.67 is: 28,827.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,628.51 : 46,408.54 = 20,888.67 : x
  2. Step 2: Convert to fraction form
    33,628.51/46,408.54 = 20,888.67/x
  3. Step 3: Cross multiply
    33,628.51x = 46,408.54 × 20,888.67
  4. Step 4: Simplify right side
    33,628.51x = 969,412,838.22
  5. Step 5: Solve for x
    x = 969,412,838.22/33,628.51
  6. Step 6: Final answer
    x = 28,827.11

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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.