Home / 28,572.14-42,831.96-9,847.73

Finding the Fourth Proportional to 28,572.14, 42,831.96 and 9,847.73

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Solution

The fourth proportional to 28,572.14, 42,831.96 and 9,847.73 is: 14,762.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,572.14 : 42,831.96 = 9,847.73 : x
  2. Step 2: Convert to fraction form
    28,572.14/42,831.96 = 9,847.73/x
  3. Step 3: Cross multiply
    28,572.14x = 42,831.96 × 9,847.73
  4. Step 4: Simplify right side
    28,572.14x = 421,797,577.45
  5. Step 5: Solve for x
    x = 421,797,577.45/28,572.14
  6. Step 6: Final answer
    x = 14,762.55

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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.