Home / 21,382.84-32,048.25-15,144.67

Finding the Fourth Proportional to 21,382.84, 32,048.25 and 15,144.67

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Solution

The fourth proportional to 21,382.84, 32,048.25 and 15,144.67 is: 22,698.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,382.84 : 32,048.25 = 15,144.67 : x
  2. Step 2: Convert to fraction form
    21,382.84/32,048.25 = 15,144.67/x
  3. Step 3: Cross multiply
    21,382.84x = 32,048.25 × 15,144.67
  4. Step 4: Simplify right side
    21,382.84x = 485,360,170.33
  5. Step 5: Solve for x
    x = 485,360,170.33/21,382.84
  6. Step 6: Final answer
    x = 22,698.58

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1.5x scale

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.