Home / 27,960.26-38,585.16-15,385.01

Finding the Fourth Proportional to 27,960.26, 38,585.16 and 15,385.01

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Solution

The fourth proportional to 27,960.26, 38,585.16 and 15,385.01 is: 21,231.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,960.26 : 38,585.16 = 15,385.01 : x
  2. Step 2: Convert to fraction form
    27,960.26/38,585.16 = 15,385.01/x
  3. Step 3: Cross multiply
    27,960.26x = 38,585.16 × 15,385.01
  4. Step 4: Simplify right side
    27,960.26x = 593,632,899.06
  5. Step 5: Solve for x
    x = 593,632,899.06/27,960.26
  6. Step 6: Final answer
    x = 21,231.31

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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.