Home / 28,733.58-39,651.75-15,986.50

Finding the Fourth Proportional to 28,733.58, 39,651.75 and 15,986.50

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Solution

The fourth proportional to 28,733.58, 39,651.75 and 15,986.50 is: 22,061.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,733.58 : 39,651.75 = 15,986.50 : x
  2. Step 2: Convert to fraction form
    28,733.58/39,651.75 = 15,986.50/x
  3. Step 3: Cross multiply
    28,733.58x = 39,651.75 × 15,986.50
  4. Step 4: Simplify right side
    28,733.58x = 633,892,701.38
  5. Step 5: Solve for x
    x = 633,892,701.38/28,733.58
  6. Step 6: Final answer
    x = 22,061.04

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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.