Home / 16,424.80-24,586.29-13,278.55

Finding the Fourth Proportional to 16,424.80, 24,586.29 and 13,278.55

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Solution

The fourth proportional to 16,424.80, 24,586.29 and 13,278.55 is: 19,876.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,424.80 : 24,586.29 = 13,278.55 : x
  2. Step 2: Convert to fraction form
    16,424.80/24,586.29 = 13,278.55/x
  3. Step 3: Cross multiply
    16,424.80x = 24,586.29 × 13,278.55
  4. Step 4: Simplify right side
    16,424.80x = 326,470,281.08
  5. Step 5: Solve for x
    x = 326,470,281.08/16,424.80
  6. Step 6: Final answer
    x = 19,876.67

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.