Home / 28,383.24-39,165.93-17,479.65

Finding the Fourth Proportional to 28,383.24, 39,165.93 and 17,479.65

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Solution

The fourth proportional to 28,383.24, 39,165.93 and 17,479.65 is: 24,120.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,383.24 : 39,165.93 = 17,479.65 : x
  2. Step 2: Convert to fraction form
    28,383.24/39,165.93 = 17,479.65/x
  3. Step 3: Cross multiply
    28,383.24x = 39,165.93 × 17,479.65
  4. Step 4: Simplify right side
    28,383.24x = 684,606,748.32
  5. Step 5: Solve for x
    x = 684,606,748.32/28,383.24
  6. Step 6: Final answer
    x = 24,120.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.