Home / 27,177.66-37,507.86-15,243.12

Finding the Fourth Proportional to 27,177.66, 37,507.86 and 15,243.12

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Solution

The fourth proportional to 27,177.66, 37,507.86 and 15,243.12 is: 21,037.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,177.66 : 37,507.86 = 15,243.12 : x
  2. Step 2: Convert to fraction form
    27,177.66/37,507.86 = 15,243.12/x
  3. Step 3: Cross multiply
    27,177.66x = 37,507.86 × 15,243.12
  4. Step 4: Simplify right side
    27,177.66x = 571,736,810.92
  5. Step 5: Solve for x
    x = 571,736,810.92/27,177.66
  6. Step 6: Final answer
    x = 21,037.01

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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.