Home / 25,690.23-38,535.17-13,213.73

Finding the Fourth Proportional to 25,690.23, 38,535.17 and 13,213.73

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Solution

The fourth proportional to 25,690.23, 38,535.17 and 13,213.73 is: 19,820.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,690.23 : 38,535.17 = 13,213.73 : x
  2. Step 2: Convert to fraction form
    25,690.23/38,535.17 = 13,213.73/x
  3. Step 3: Cross multiply
    25,690.23x = 38,535.17 × 13,213.73
  4. Step 4: Simplify right side
    25,690.23x = 509,193,331.88
  5. Step 5: Solve for x
    x = 509,193,331.88/25,690.23
  6. Step 6: Final answer
    x = 19,820.50

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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.