Home / 28,234.83-42,356.14-9,520.22

Finding the Fourth Proportional to 28,234.83, 42,356.14 and 9,520.22

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Solution

The fourth proportional to 28,234.83, 42,356.14 and 9,520.22 is: 14,281.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,234.83 : 42,356.14 = 9,520.22 : x
  2. Step 2: Convert to fraction form
    28,234.83/42,356.14 = 9,520.22/x
  3. Step 3: Cross multiply
    28,234.83x = 42,356.14 × 9,520.22
  4. Step 4: Simplify right side
    28,234.83x = 403,239,583.17
  5. Step 5: Solve for x
    x = 403,239,583.17/28,234.83
  6. Step 6: Final answer
    x = 14,281.64

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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.