Home / 18,085.20-27,095.40-16,011.60

Finding the Fourth Proportional to 18,085.20, 27,095.40 and 16,011.60

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Solution

The fourth proportional to 18,085.20, 27,095.40 and 16,011.60 is: 23,988.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,085.20 : 27,095.40 = 16,011.60 : x
  2. Step 2: Convert to fraction form
    18,085.20/27,095.40 = 16,011.60/x
  3. Step 3: Cross multiply
    18,085.20x = 27,095.40 × 16,011.60
  4. Step 4: Simplify right side
    18,085.20x = 433,840,706.64
  5. Step 5: Solve for x
    x = 433,840,706.64/18,085.20
  6. Step 6: Final answer
    x = 23,988.71

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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.