Home / 25,329.30-38,005.10-13,480.30

Finding the Fourth Proportional to 25,329.30, 38,005.10 and 13,480.30

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Solution

The fourth proportional to 25,329.30, 38,005.10 and 13,480.30 is: 20,226.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,329.30 : 38,005.10 = 13,480.30 : x
  2. Step 2: Convert to fraction form
    25,329.30/38,005.10 = 13,480.30/x
  3. Step 3: Cross multiply
    25,329.30x = 38,005.10 × 13,480.30
  4. Step 4: Simplify right side
    25,329.30x = 512,320,149.53
  5. Step 5: Solve for x
    x = 512,320,149.53/25,329.30
  6. Step 6: Final answer
    x = 20,226.38

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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.