Home / 18,501.76-27,716.80-16,433.28

Finding the Fourth Proportional to 18,501.76, 27,716.80 and 16,433.28

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Solution

The fourth proportional to 18,501.76, 27,716.80 and 16,433.28 is: 24,618.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,501.76 : 27,716.80 = 16,433.28 : x
  2. Step 2: Convert to fraction form
    18,501.76/27,716.80 = 16,433.28/x
  3. Step 3: Cross multiply
    18,501.76x = 27,716.80 × 16,433.28
  4. Step 4: Simplify right side
    18,501.76x = 455,477,935.10
  5. Step 5: Solve for x
    x = 455,477,935.10/18,501.76
  6. Step 6: Final answer
    x = 24,618.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.