Home / 27,946.76-38,566.79-15,200.06

Finding the Fourth Proportional to 27,946.76, 38,566.79 and 15,200.06

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Solution

The fourth proportional to 27,946.76, 38,566.79 and 15,200.06 is: 20,976.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,946.76 : 38,566.79 = 15,200.06 : x
  2. Step 2: Convert to fraction form
    27,946.76/38,566.79 = 15,200.06/x
  3. Step 3: Cross multiply
    27,946.76x = 38,566.79 × 15,200.06
  4. Step 4: Simplify right side
    27,946.76x = 586,217,542.42
  5. Step 5: Solve for x
    x = 586,217,542.42/27,946.76
  6. Step 6: Final answer
    x = 20,976.23

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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.