Home / 25,769.04-38,655.62-8,238.89

Finding the Fourth Proportional to 25,769.04, 38,655.62 and 8,238.89

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Solution

The fourth proportional to 25,769.04, 38,655.62 and 8,238.89 is: 12,358.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,769.04 : 38,655.62 = 8,238.89 : x
  2. Step 2: Convert to fraction form
    25,769.04/38,655.62 = 8,238.89/x
  3. Step 3: Cross multiply
    25,769.04x = 38,655.62 × 8,238.89
  4. Step 4: Simplify right side
    25,769.04x = 318,479,166.59
  5. Step 5: Solve for x
    x = 318,479,166.59/25,769.04
  6. Step 6: Final answer
    x = 12,358.98

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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.