Home / 25,813.30-38,720.22-11,012.98

Finding the Fourth Proportional to 25,813.30, 38,720.22 and 11,012.98

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Solution

The fourth proportional to 25,813.30, 38,720.22 and 11,012.98 is: 16,519.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,813.30 : 38,720.22 = 11,012.98 : x
  2. Step 2: Convert to fraction form
    25,813.30/38,720.22 = 11,012.98/x
  3. Step 3: Cross multiply
    25,813.30x = 38,720.22 × 11,012.98
  4. Step 4: Simplify right side
    25,813.30x = 426,425,008.46
  5. Step 5: Solve for x
    x = 426,425,008.46/25,813.30
  6. Step 6: Final answer
    x = 16,519.59

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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.