Home / 25,448.83-38,134.32-13,604.29

Finding the Fourth Proportional to 25,448.83, 38,134.32 and 13,604.29

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Solution

The fourth proportional to 25,448.83, 38,134.32 and 13,604.29 is: 20,385.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,448.83 : 38,134.32 = 13,604.29 : x
  2. Step 2: Convert to fraction form
    25,448.83/38,134.32 = 13,604.29/x
  3. Step 3: Cross multiply
    25,448.83x = 38,134.32 × 13,604.29
  4. Step 4: Simplify right side
    25,448.83x = 518,790,348.23
  5. Step 5: Solve for x
    x = 518,790,348.23/25,448.83
  6. Step 6: Final answer
    x = 20,385.63

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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.