Home / 28,884.29-39,860.60-16,947.81

Finding the Fourth Proportional to 28,884.29, 39,860.60 and 16,947.81

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Solution

The fourth proportional to 28,884.29, 39,860.60 and 16,947.81 is: 23,388.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,884.29 : 39,860.60 = 16,947.81 : x
  2. Step 2: Convert to fraction form
    28,884.29/39,860.60 = 16,947.81/x
  3. Step 3: Cross multiply
    28,884.29x = 39,860.60 × 16,947.81
  4. Step 4: Simplify right side
    28,884.29x = 675,549,790.55
  5. Step 5: Solve for x
    x = 675,549,790.55/28,884.29
  6. Step 6: Final answer
    x = 23,388.14

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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.