Home / 27,898.73-38,502.63-15,801.37

Finding the Fourth Proportional to 27,898.73, 38,502.63 and 15,801.37

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Solution

The fourth proportional to 27,898.73, 38,502.63 and 15,801.37 is: 21,807.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,898.73 : 38,502.63 = 15,801.37 : x
  2. Step 2: Convert to fraction form
    27,898.73/38,502.63 = 15,801.37/x
  3. Step 3: Cross multiply
    27,898.73x = 38,502.63 × 15,801.37
  4. Step 4: Simplify right side
    27,898.73x = 608,394,147.09
  5. Step 5: Solve for x
    x = 608,394,147.09/27,898.73
  6. Step 6: Final answer
    x = 21,807.23

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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.