Home / 27,405.81-37,819.24-15,470.26

Finding the Fourth Proportional to 27,405.81, 37,819.24 and 15,470.26

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Solution

The fourth proportional to 27,405.81, 37,819.24 and 15,470.26 is: 21,348.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,405.81 : 37,819.24 = 15,470.26 : x
  2. Step 2: Convert to fraction form
    27,405.81/37,819.24 = 15,470.26/x
  3. Step 3: Cross multiply
    27,405.81x = 37,819.24 × 15,470.26
  4. Step 4: Simplify right side
    27,405.81x = 585,073,342.58
  5. Step 5: Solve for x
    x = 585,073,342.58/27,405.81
  6. Step 6: Final answer
    x = 21,348.51

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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.