Home / 27,947.16-38,566.70-15,200.07

Finding the Fourth Proportional to 27,947.16, 38,566.70 and 15,200.07

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Solution

The fourth proportional to 27,947.16, 38,566.70 and 15,200.07 is: 20,975.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,947.16 : 38,566.70 = 15,200.07 : x
  2. Step 2: Convert to fraction form
    27,947.16/38,566.70 = 15,200.07/x
  3. Step 3: Cross multiply
    27,947.16x = 38,566.70 × 15,200.07
  4. Step 4: Simplify right side
    27,947.16x = 586,216,270.84
  5. Step 5: Solve for x
    x = 586,216,270.84/27,947.16
  6. Step 6: Final answer
    x = 20,975.88

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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.