Home / 25,138.13-34,689.26-14,383.21

Finding the Fourth Proportional to 25,138.13, 34,689.26 and 14,383.21

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Solution

The fourth proportional to 25,138.13, 34,689.26 and 14,383.21 is: 19,848.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,138.13 : 34,689.26 = 14,383.21 : x
  2. Step 2: Convert to fraction form
    25,138.13/34,689.26 = 14,383.21/x
  3. Step 3: Cross multiply
    25,138.13x = 34,689.26 × 14,383.21
  4. Step 4: Simplify right side
    25,138.13x = 498,942,911.32
  5. Step 5: Solve for x
    x = 498,942,911.32/25,138.13
  6. Step 6: Final answer
    x = 19,848.05

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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.