Home / 28,901.69-39,882.39-16,325.63

Finding the Fourth Proportional to 28,901.69, 39,882.39 and 16,325.63

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Solution

The fourth proportional to 28,901.69, 39,882.39 and 16,325.63 is: 22,528.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,901.69 : 39,882.39 = 16,325.63 : x
  2. Step 2: Convert to fraction form
    28,901.69/39,882.39 = 16,325.63/x
  3. Step 3: Cross multiply
    28,901.69x = 39,882.39 × 16,325.63
  4. Step 4: Simplify right side
    28,901.69x = 651,104,943.24
  5. Step 5: Solve for x
    x = 651,104,943.24/28,901.69
  6. Step 6: Final answer
    x = 22,528.27

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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.