Home / 28,025.91-38,653.89-17,955.29

Finding the Fourth Proportional to 28,025.91, 38,653.89 and 17,955.29

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Solution

The fourth proportional to 28,025.91, 38,653.89 and 17,955.29 is: 24,764.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,025.91 : 38,653.89 = 17,955.29 : x
  2. Step 2: Convert to fraction form
    28,025.91/38,653.89 = 17,955.29/x
  3. Step 3: Cross multiply
    28,025.91x = 38,653.89 × 17,955.29
  4. Step 4: Simplify right side
    28,025.91x = 694,041,934.88
  5. Step 5: Solve for x
    x = 694,041,934.88/28,025.91
  6. Step 6: Final answer
    x = 24,764.29

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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.