Home / 28,203.45-42,305.78-9,484.08

Finding the Fourth Proportional to 28,203.45, 42,305.78 and 9,484.08

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Solution

The fourth proportional to 28,203.45, 42,305.78 and 9,484.08 is: 14,226.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,203.45 : 42,305.78 = 9,484.08 : x
  2. Step 2: Convert to fraction form
    28,203.45/42,305.78 = 9,484.08/x
  3. Step 3: Cross multiply
    28,203.45x = 42,305.78 × 9,484.08
  4. Step 4: Simplify right side
    28,203.45x = 401,231,401.98
  5. Step 5: Solve for x
    x = 401,231,401.98/28,203.45
  6. Step 6: Final answer
    x = 14,226.32

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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.