Home / 28,880.25-39,851.24-16,134.14

Finding the Fourth Proportional to 28,880.25, 39,851.24 and 16,134.14

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Solution

The fourth proportional to 28,880.25, 39,851.24 and 16,134.14 is: 22,263.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,880.25 : 39,851.24 = 16,134.14 : x
  2. Step 2: Convert to fraction form
    28,880.25/39,851.24 = 16,134.14/x
  3. Step 3: Cross multiply
    28,880.25x = 39,851.24 × 16,134.14
  4. Step 4: Simplify right side
    28,880.25x = 642,965,370.88
  5. Step 5: Solve for x
    x = 642,965,370.88/28,880.25
  6. Step 6: Final answer
    x = 22,263.15

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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.