Home / 25,443.98-38,173.38-11,400.88

Finding the Fourth Proportional to 25,443.98, 38,173.38 and 11,400.88

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Solution

The fourth proportional to 25,443.98, 38,173.38 and 11,400.88 is: 17,104.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,443.98 : 38,173.38 = 11,400.88 : x
  2. Step 2: Convert to fraction form
    25,443.98/38,173.38 = 11,400.88/x
  3. Step 3: Cross multiply
    25,443.98x = 38,173.38 × 11,400.88
  4. Step 4: Simplify right side
    25,443.98x = 435,210,124.57
  5. Step 5: Solve for x
    x = 435,210,124.57/25,443.98
  6. Step 6: Final answer
    x = 17,104.64

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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.