Home / 28,882.67-39,858.35-16,946.21

Finding the Fourth Proportional to 28,882.67, 39,858.35 and 16,946.21

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Solution

The fourth proportional to 28,882.67, 39,858.35 and 16,946.21 is: 23,385.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,882.67 : 39,858.35 = 16,946.21 : x
  2. Step 2: Convert to fraction form
    28,882.67/39,858.35 = 16,946.21/x
  3. Step 3: Cross multiply
    28,882.67x = 39,858.35 × 16,946.21
  4. Step 4: Simplify right side
    28,882.67x = 675,447,812.43
  5. Step 5: Solve for x
    x = 675,447,812.43/28,882.67
  6. Step 6: Final answer
    x = 23,385.92

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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.