Home / 28,002.20-41,966.22-20,572.16

Finding the Fourth Proportional to 28,002.20, 41,966.22 and 20,572.16

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Solution

The fourth proportional to 28,002.20, 41,966.22 and 20,572.16 is: 30,831.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,002.20 : 41,966.22 = 20,572.16 : x
  2. Step 2: Convert to fraction form
    28,002.20/41,966.22 = 20,572.16/x
  3. Step 3: Cross multiply
    28,002.20x = 41,966.22 × 20,572.16
  4. Step 4: Simplify right side
    28,002.20x = 863,335,792.44
  5. Step 5: Solve for x
    x = 863,335,792.44/28,002.20
  6. Step 6: Final answer
    x = 30,831.00

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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.