Home / 27,859.04-41,788.58-13,828.76

Finding the Fourth Proportional to 27,859.04, 41,788.58 and 13,828.76

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Solution

The fourth proportional to 27,859.04, 41,788.58 and 13,828.76 is: 20,743.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,859.04 : 41,788.58 = 13,828.76 : x
  2. Step 2: Convert to fraction form
    27,859.04/41,788.58 = 13,828.76/x
  3. Step 3: Cross multiply
    27,859.04x = 41,788.58 × 13,828.76
  4. Step 4: Simplify right side
    27,859.04x = 577,884,243.56
  5. Step 5: Solve for x
    x = 577,884,243.56/27,859.04
  6. Step 6: Final answer
    x = 20,743.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.