Home / 27,946.60-38,566.40-15,199.78

Finding the Fourth Proportional to 27,946.60, 38,566.40 and 15,199.78

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Solution

The fourth proportional to 27,946.60, 38,566.40 and 15,199.78 is: 20,975.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,946.60 : 38,566.40 = 15,199.78 : x
  2. Step 2: Convert to fraction form
    27,946.60/38,566.40 = 15,199.78/x
  3. Step 3: Cross multiply
    27,946.60x = 38,566.40 × 15,199.78
  4. Step 4: Simplify right side
    27,946.60x = 586,200,736.98
  5. Step 5: Solve for x
    x = 586,200,736.98/27,946.60
  6. Step 6: Final answer
    x = 20,975.75

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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.