Home / 27,047.16-37,322.34-15,561.78

Finding the Fourth Proportional to 27,047.16, 37,322.34 and 15,561.78

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Solution

The fourth proportional to 27,047.16, 37,322.34 and 15,561.78 is: 21,473.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,047.16 : 37,322.34 = 15,561.78 : x
  2. Step 2: Convert to fraction form
    27,047.16/37,322.34 = 15,561.78/x
  3. Step 3: Cross multiply
    27,047.16x = 37,322.34 × 15,561.78
  4. Step 4: Simplify right side
    27,047.16x = 580,802,044.17
  5. Step 5: Solve for x
    x = 580,802,044.17/27,047.16
  6. Step 6: Final answer
    x = 21,473.68

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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.