Home / 28,245.24-42,384.60-10,729.80

Finding the Fourth Proportional to 28,245.24, 42,384.60 and 10,729.80

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Solution

The fourth proportional to 28,245.24, 42,384.60 and 10,729.80 is: 16,101.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,245.24 : 42,384.60 = 10,729.80 : x
  2. Step 2: Convert to fraction form
    28,245.24/42,384.60 = 10,729.80/x
  3. Step 3: Cross multiply
    28,245.24x = 42,384.60 × 10,729.80
  4. Step 4: Simplify right side
    28,245.24x = 454,778,281.08
  5. Step 5: Solve for x
    x = 454,778,281.08/28,245.24
  6. Step 6: Final answer
    x = 16,101.06

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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.