Home / 25,838.73-38,730.38-13,355.37

Finding the Fourth Proportional to 25,838.73, 38,730.38 and 13,355.37

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Solution

The fourth proportional to 25,838.73, 38,730.38 and 13,355.37 is: 20,018.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,838.73 : 38,730.38 = 13,355.37 : x
  2. Step 2: Convert to fraction form
    25,838.73/38,730.38 = 13,355.37/x
  3. Step 3: Cross multiply
    25,838.73x = 38,730.38 × 13,355.37
  4. Step 4: Simplify right side
    25,838.73x = 517,258,488.36
  5. Step 5: Solve for x
    x = 517,258,488.36/25,838.73
  6. Step 6: Final answer
    x = 20,018.73

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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.