Home / 27,438.93-37,865.64-15,502.26

Finding the Fourth Proportional to 27,438.93, 37,865.64 and 15,502.26

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Solution

The fourth proportional to 27,438.93, 37,865.64 and 15,502.26 is: 21,393.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,438.93 : 37,865.64 = 15,502.26 : x
  2. Step 2: Convert to fraction form
    27,438.93/37,865.64 = 15,502.26/x
  3. Step 3: Cross multiply
    27,438.93x = 37,865.64 × 15,502.26
  4. Step 4: Simplify right side
    27,438.93x = 587,002,824.17
  5. Step 5: Solve for x
    x = 587,002,824.17/27,438.93
  6. Step 6: Final answer
    x = 21,393.07

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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.