Home / 25,968.76-38,940.81-13,476.30

Finding the Fourth Proportional to 25,968.76, 38,940.81 and 13,476.30

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Solution

The fourth proportional to 25,968.76, 38,940.81 and 13,476.30 is: 20,208.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,968.76 : 38,940.81 = 13,476.30 : x
  2. Step 2: Convert to fraction form
    25,968.76/38,940.81 = 13,476.30/x
  3. Step 3: Cross multiply
    25,968.76x = 38,940.81 × 13,476.30
  4. Step 4: Simplify right side
    25,968.76x = 524,778,037.80
  5. Step 5: Solve for x
    x = 524,778,037.80/25,968.76
  6. Step 6: Final answer
    x = 20,208.05

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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.