Home / 28,184.49-38,891.77-16,851.71

Finding the Fourth Proportional to 28,184.49, 38,891.77 and 16,851.71

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Solution

The fourth proportional to 28,184.49, 38,891.77 and 16,851.71 is: 23,253.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,184.49 : 38,891.77 = 16,851.71 : x
  2. Step 2: Convert to fraction form
    28,184.49/38,891.77 = 16,851.71/x
  3. Step 3: Cross multiply
    28,184.49x = 38,891.77 × 16,851.71
  4. Step 4: Simplify right side
    28,184.49x = 655,392,884.53
  5. Step 5: Solve for x
    x = 655,392,884.53/28,184.49
  6. Step 6: Final answer
    x = 23,253.67

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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.