Home / 28,964.32-39,963.84-17,633.68

Finding the Fourth Proportional to 28,964.32, 39,963.84 and 17,633.68

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Solution

The fourth proportional to 28,964.32, 39,963.84 and 17,633.68 is: 24,330.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,964.32 : 39,963.84 = 17,633.68 : x
  2. Step 2: Convert to fraction form
    28,964.32/39,963.84 = 17,633.68/x
  3. Step 3: Cross multiply
    28,964.32x = 39,963.84 × 17,633.68
  4. Step 4: Simplify right side
    28,964.32x = 704,709,566.13
  5. Step 5: Solve for x
    x = 704,709,566.13/28,964.32
  6. Step 6: Final answer
    x = 24,330.26

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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.