Home / 25,529.72-38,257.11-12,862.13

Finding the Fourth Proportional to 25,529.72, 38,257.11 and 12,862.13

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Solution

The fourth proportional to 25,529.72, 38,257.11 and 12,862.13 is: 19,274.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,529.72 : 38,257.11 = 12,862.13 : x
  2. Step 2: Convert to fraction form
    25,529.72/38,257.11 = 12,862.13/x
  3. Step 3: Cross multiply
    25,529.72x = 38,257.11 × 12,862.13
  4. Step 4: Simplify right side
    25,529.72x = 492,067,730.96
  5. Step 5: Solve for x
    x = 492,067,730.96/25,529.72
  6. Step 6: Final answer
    x = 19,274.31

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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.