Home / 27,920.64-38,532.30-17,317.32

Finding the Fourth Proportional to 27,920.64, 38,532.30 and 17,317.32

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Solution

The fourth proportional to 27,920.64, 38,532.30 and 17,317.32 is: 23,899.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,920.64 : 38,532.30 = 17,317.32 : x
  2. Step 2: Convert to fraction form
    27,920.64/38,532.30 = 17,317.32/x
  3. Step 3: Cross multiply
    27,920.64x = 38,532.30 × 17,317.32
  4. Step 4: Simplify right side
    27,920.64x = 667,276,169.44
  5. Step 5: Solve for x
    x = 667,276,169.44/27,920.64
  6. Step 6: Final answer
    x = 23,899.03

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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.