Home / 26,478.46-39,706.03-12,442.48

Finding the Fourth Proportional to 26,478.46, 39,706.03 and 12,442.48

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Solution

The fourth proportional to 26,478.46, 39,706.03 and 12,442.48 is: 18,658.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,478.46 : 39,706.03 = 12,442.48 : x
  2. Step 2: Convert to fraction form
    26,478.46/39,706.03 = 12,442.48/x
  3. Step 3: Cross multiply
    26,478.46x = 39,706.03 × 12,442.48
  4. Step 4: Simplify right side
    26,478.46x = 494,041,484.15
  5. Step 5: Solve for x
    x = 494,041,484.15/26,478.46
  6. Step 6: Final answer
    x = 18,658.24

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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.