Home / 25,936.86-38,877.27-12,581.58

Finding the Fourth Proportional to 25,936.86, 38,877.27 and 12,581.58

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Solution

The fourth proportional to 25,936.86, 38,877.27 and 12,581.58 is: 18,858.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,936.86 : 38,877.27 = 12,581.58 : x
  2. Step 2: Convert to fraction form
    25,936.86/38,877.27 = 12,581.58/x
  3. Step 3: Cross multiply
    25,936.86x = 38,877.27 × 12,581.58
  4. Step 4: Simplify right side
    25,936.86x = 489,137,362.61
  5. Step 5: Solve for x
    x = 489,137,362.61/25,936.86
  6. Step 6: Final answer
    x = 18,858.77

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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.