Home / 28,346.24-42,519.36-9,628.16

Finding the Fourth Proportional to 28,346.24, 42,519.36 and 9,628.16

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Solution

The fourth proportional to 28,346.24, 42,519.36 and 9,628.16 is: 14,442.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,346.24 : 42,519.36 = 9,628.16 : x
  2. Step 2: Convert to fraction form
    28,346.24/42,519.36 = 9,628.16/x
  3. Step 3: Cross multiply
    28,346.24x = 42,519.36 × 9,628.16
  4. Step 4: Simplify right side
    28,346.24x = 409,383,201.18
  5. Step 5: Solve for x
    x = 409,383,201.18/28,346.24
  6. Step 6: Final answer
    x = 14,442.24

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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.