Home / 28,226.88-42,341.76-10,698.12

Finding the Fourth Proportional to 28,226.88, 42,341.76 and 10,698.12

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Solution

The fourth proportional to 28,226.88, 42,341.76 and 10,698.12 is: 16,047.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,226.88 : 42,341.76 = 10,698.12 : x
  2. Step 2: Convert to fraction form
    28,226.88/42,341.76 = 10,698.12/x
  3. Step 3: Cross multiply
    28,226.88x = 42,341.76 × 10,698.12
  4. Step 4: Simplify right side
    28,226.88x = 452,977,229.49
  5. Step 5: Solve for x
    x = 452,977,229.49/28,226.88
  6. Step 6: Final answer
    x = 16,047.73

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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.