Home / 28,305.36-42,464.40-9,584.32

Finding the Fourth Proportional to 28,305.36, 42,464.40 and 9,584.32

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Solution

The fourth proportional to 28,305.36, 42,464.40 and 9,584.32 is: 14,378.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,305.36 : 42,464.40 = 9,584.32 : x
  2. Step 2: Convert to fraction form
    28,305.36/42,464.40 = 9,584.32/x
  3. Step 3: Cross multiply
    28,305.36x = 42,464.40 × 9,584.32
  4. Step 4: Simplify right side
    28,305.36x = 406,992,398.21
  5. Step 5: Solve for x
    x = 406,992,398.21/28,305.36
  6. Step 6: Final answer
    x = 14,378.63

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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.