Home / 20,549.92-28,358.88-11,599.30

Finding the Fourth Proportional to 20,549.92, 28,358.88 and 11,599.30

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Solution

The fourth proportional to 20,549.92, 28,358.88 and 11,599.30 is: 16,007.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,549.92 : 28,358.88 = 11,599.30 : x
  2. Step 2: Convert to fraction form
    20,549.92/28,358.88 = 11,599.30/x
  3. Step 3: Cross multiply
    20,549.92x = 28,358.88 × 11,599.30
  4. Step 4: Simplify right side
    20,549.92x = 328,943,156.78
  5. Step 5: Solve for x
    x = 328,943,156.78/20,549.92
  6. Step 6: Final answer
    x = 16,007.03

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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.