Home / 25,520.63-38,288.70-13,049.40

Finding the Fourth Proportional to 25,520.63, 38,288.70 and 13,049.40

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Solution

The fourth proportional to 25,520.63, 38,288.70 and 13,049.40 is: 19,578.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,520.63 : 38,288.70 = 13,049.40 : x
  2. Step 2: Convert to fraction form
    25,520.63/38,288.70 = 13,049.40/x
  3. Step 3: Cross multiply
    25,520.63x = 38,288.70 × 13,049.40
  4. Step 4: Simplify right side
    25,520.63x = 499,644,705.36
  5. Step 5: Solve for x
    x = 499,644,705.36/25,520.63
  6. Step 6: Final answer
    x = 19,578.07

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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.