Home / 25,740.04-38,601.82-8,205.76

Finding the Fourth Proportional to 25,740.04, 38,601.82 and 8,205.76

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Solution

The fourth proportional to 25,740.04, 38,601.82 and 8,205.76 is: 12,306.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,740.04 : 38,601.82 = 8,205.76 : x
  2. Step 2: Convert to fraction form
    25,740.04/38,601.82 = 8,205.76/x
  3. Step 3: Cross multiply
    25,740.04x = 38,601.82 × 8,205.76
  4. Step 4: Simplify right side
    25,740.04x = 316,757,270.48
  5. Step 5: Solve for x
    x = 316,757,270.48/25,740.04
  6. Step 6: Final answer
    x = 12,306.01

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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.