Home / 25,685.96-38,491.05-11,650.28

Finding the Fourth Proportional to 25,685.96, 38,491.05 and 11,650.28

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Solution

The fourth proportional to 25,685.96, 38,491.05 and 11,650.28 is: 17,458.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,685.96 : 38,491.05 = 11,650.28 : x
  2. Step 2: Convert to fraction form
    25,685.96/38,491.05 = 11,650.28/x
  3. Step 3: Cross multiply
    25,685.96x = 38,491.05 × 11,650.28
  4. Step 4: Simplify right side
    25,685.96x = 448,431,509.99
  5. Step 5: Solve for x
    x = 448,431,509.99/25,685.96
  6. Step 6: Final answer
    x = 17,458.23

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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.