Home / 20,350.08-30,482.16-16,831.44

Finding the Fourth Proportional to 20,350.08, 30,482.16 and 16,831.44

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Solution

The fourth proportional to 20,350.08, 30,482.16 and 16,831.44 is: 25,211.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,350.08 : 30,482.16 = 16,831.44 : x
  2. Step 2: Convert to fraction form
    20,350.08/30,482.16 = 16,831.44/x
  3. Step 3: Cross multiply
    20,350.08x = 30,482.16 × 16,831.44
  4. Step 4: Simplify right side
    20,350.08x = 513,058,647.11
  5. Step 5: Solve for x
    x = 513,058,647.11/20,350.08
  6. Step 6: Final answer
    x = 25,211.63

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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.