Home / 27,940.24-38,557.92-15,365.28

Finding the Fourth Proportional to 27,940.24, 38,557.92 and 15,365.28

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Solution

The fourth proportional to 27,940.24, 38,557.92 and 15,365.28 is: 21,204.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,940.24 : 38,557.92 = 15,365.28 : x
  2. Step 2: Convert to fraction form
    27,940.24/38,557.92 = 15,365.28/x
  3. Step 3: Cross multiply
    27,940.24x = 38,557.92 × 15,365.28
  4. Step 4: Simplify right side
    27,940.24x = 592,453,237.02
  5. Step 5: Solve for x
    x = 592,453,237.02/27,940.24
  6. Step 6: Final answer
    x = 21,204.30

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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.