Home / 27,407.34-37,822.83-15,471.78

Finding the Fourth Proportional to 27,407.34, 37,822.83 and 15,471.78

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Solution

The fourth proportional to 27,407.34, 37,822.83 and 15,471.78 is: 21,351.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,407.34 : 37,822.83 = 15,471.78 : x
  2. Step 2: Convert to fraction form
    27,407.34/37,822.83 = 15,471.78/x
  3. Step 3: Cross multiply
    27,407.34x = 37,822.83 × 15,471.78
  4. Step 4: Simplify right side
    27,407.34x = 585,186,504.74
  5. Step 5: Solve for x
    x = 585,186,504.74/27,407.34
  6. Step 6: Final answer
    x = 21,351.45

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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.