Home / 28,234.46-38,959.12-16,295.57

Finding the Fourth Proportional to 28,234.46, 38,959.12 and 16,295.57

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Solution

The fourth proportional to 28,234.46, 38,959.12 and 16,295.57 is: 22,485.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,234.46 : 38,959.12 = 16,295.57 : x
  2. Step 2: Convert to fraction form
    28,234.46/38,959.12 = 16,295.57/x
  3. Step 3: Cross multiply
    28,234.46x = 38,959.12 × 16,295.57
  4. Step 4: Simplify right side
    28,234.46x = 634,860,831.56
  5. Step 5: Solve for x
    x = 634,860,831.56/28,234.46
  6. Step 6: Final answer
    x = 22,485.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.