Home / 25,459.41-38,184.16-12,805.80

Finding the Fourth Proportional to 25,459.41, 38,184.16 and 12,805.80

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Solution

The fourth proportional to 25,459.41, 38,184.16 and 12,805.80 is: 19,206.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,459.41 : 38,184.16 = 12,805.80 : x
  2. Step 2: Convert to fraction form
    25,459.41/38,184.16 = 12,805.80/x
  3. Step 3: Cross multiply
    25,459.41x = 38,184.16 × 12,805.80
  4. Step 4: Simplify right side
    25,459.41x = 488,978,716.13
  5. Step 5: Solve for x
    x = 488,978,716.13/25,459.41
  6. Step 6: Final answer
    x = 19,206.21

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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.