Home / 27,437.26-37,869.63-15,507.51

Finding the Fourth Proportional to 27,437.26, 37,869.63 and 15,507.51

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Solution

The fourth proportional to 27,437.26, 37,869.63 and 15,507.51 is: 21,403.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,437.26 : 37,869.63 = 15,507.51 : x
  2. Step 2: Convert to fraction form
    27,437.26/37,869.63 = 15,507.51/x
  3. Step 3: Cross multiply
    27,437.26x = 37,869.63 × 15,507.51
  4. Step 4: Simplify right side
    27,437.26x = 587,263,665.92
  5. Step 5: Solve for x
    x = 587,263,665.92/27,437.26
  6. Step 6: Final answer
    x = 21,403.87

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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.