Home / 27,140.22-37,456.29-15,655.58

Finding the Fourth Proportional to 27,140.22, 37,456.29 and 15,655.58

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Solution

The fourth proportional to 27,140.22, 37,456.29 and 15,655.58 is: 21,606.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,140.22 : 37,456.29 = 15,655.58 : x
  2. Step 2: Convert to fraction form
    27,140.22/37,456.29 = 15,655.58/x
  3. Step 3: Cross multiply
    27,140.22x = 37,456.29 × 15,655.58
  4. Step 4: Simplify right side
    27,140.22x = 586,399,944.60
  5. Step 5: Solve for x
    x = 586,399,944.60/27,140.22
  6. Step 6: Final answer
    x = 21,606.31

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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.