Home / 28,000.73-41,986.51-13,205.67

Finding the Fourth Proportional to 28,000.73, 41,986.51 and 13,205.67

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Solution

The fourth proportional to 28,000.73, 41,986.51 and 13,205.67 is: 19,801.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,000.73 : 41,986.51 = 13,205.67 : x
  2. Step 2: Convert to fraction form
    28,000.73/41,986.51 = 13,205.67/x
  3. Step 3: Cross multiply
    28,000.73x = 41,986.51 × 13,205.67
  4. Step 4: Simplify right side
    28,000.73x = 554,459,995.51
  5. Step 5: Solve for x
    x = 554,459,995.51/28,000.73
  6. Step 6: Final answer
    x = 19,801.63

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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.