Home / 27,581.04-38,063.31-15,648.21

Finding the Fourth Proportional to 27,581.04, 38,063.31 and 15,648.21

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Solution

The fourth proportional to 27,581.04, 38,063.31 and 15,648.21 is: 21,595.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,581.04 : 38,063.31 = 15,648.21 : x
  2. Step 2: Convert to fraction form
    27,581.04/38,063.31 = 15,648.21/x
  3. Step 3: Cross multiply
    27,581.04x = 38,063.31 × 15,648.21
  4. Step 4: Simplify right side
    27,581.04x = 595,622,668.18
  5. Step 5: Solve for x
    x = 595,622,668.18/27,581.04
  6. Step 6: Final answer
    x = 21,595.37

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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.