Home / 27,106.60-40,580.70-19,330.60

Finding the Fourth Proportional to 27,106.60, 40,580.70 and 19,330.60

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Solution

The fourth proportional to 27,106.60, 40,580.70 and 19,330.60 is: 28,939.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,106.60 : 40,580.70 = 19,330.60 : x
  2. Step 2: Convert to fraction form
    27,106.60/40,580.70 = 19,330.60/x
  3. Step 3: Cross multiply
    27,106.60x = 40,580.70 × 19,330.60
  4. Step 4: Simplify right side
    27,106.60x = 784,449,279.42
  5. Step 5: Solve for x
    x = 784,449,279.42/27,106.60
  6. Step 6: Final answer
    x = 28,939.42

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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.