Home / 24,270.40-36,405.60-9,479.80

Finding the Fourth Proportional to 24,270.40, 36,405.60 and 9,479.80

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Solution

The fourth proportional to 24,270.40, 36,405.60 and 9,479.80 is: 14,219.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,270.40 : 36,405.60 = 9,479.80 : x
  2. Step 2: Convert to fraction form
    24,270.40/36,405.60 = 9,479.80/x
  3. Step 3: Cross multiply
    24,270.40x = 36,405.60 × 9,479.80
  4. Step 4: Simplify right side
    24,270.40x = 345,117,806.88
  5. Step 5: Solve for x
    x = 345,117,806.88/24,270.40
  6. Step 6: Final answer
    x = 14,219.70

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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.