Home / 21,626.20-32,437.82-13,307.56

Finding the Fourth Proportional to 21,626.20, 32,437.82 and 13,307.56

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Solution

The fourth proportional to 21,626.20, 32,437.82 and 13,307.56 is: 19,960.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,626.20 : 32,437.82 = 13,307.56 : x
  2. Step 2: Convert to fraction form
    21,626.20/32,437.82 = 13,307.56/x
  3. Step 3: Cross multiply
    21,626.20x = 32,437.82 × 13,307.56
  4. Step 4: Simplify right side
    21,626.20x = 431,668,235.92
  5. Step 5: Solve for x
    x = 431,668,235.92/21,626.20
  6. Step 6: Final answer
    x = 19,960.43

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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.