Home / 25,722.09-38,586.24-9,078.72

Finding the Fourth Proportional to 25,722.09, 38,586.24 and 9,078.72

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Solution

The fourth proportional to 25,722.09, 38,586.24 and 9,078.72 is: 13,619.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,722.09 : 38,586.24 = 9,078.72 : x
  2. Step 2: Convert to fraction form
    25,722.09/38,586.24 = 9,078.72/x
  3. Step 3: Cross multiply
    25,722.09x = 38,586.24 × 9,078.72
  4. Step 4: Simplify right side
    25,722.09x = 350,313,668.81
  5. Step 5: Solve for x
    x = 350,313,668.81/25,722.09
  6. Step 6: Final answer
    x = 13,619.18

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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.