Home / 27,439.96-37,866.71-15,502.58

Finding the Fourth Proportional to 27,439.96, 37,866.71 and 15,502.58

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Solution

The fourth proportional to 27,439.96, 37,866.71 and 15,502.58 is: 21,393.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,439.96 : 37,866.71 = 15,502.58 : x
  2. Step 2: Convert to fraction form
    27,439.96/37,866.71 = 15,502.58/x
  3. Step 3: Cross multiply
    27,439.96x = 37,866.71 × 15,502.58
  4. Step 4: Simplify right side
    27,439.96x = 587,031,623.60
  5. Step 5: Solve for x
    x = 587,031,623.60/27,439.96
  6. Step 6: Final answer
    x = 21,393.32

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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.