Home / 25,710.30-38,565.38-8,180.08

Finding the Fourth Proportional to 25,710.30, 38,565.38 and 8,180.08

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Solution

The fourth proportional to 25,710.30, 38,565.38 and 8,180.08 is: 12,270.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,710.30 : 38,565.38 = 8,180.08 : x
  2. Step 2: Convert to fraction form
    25,710.30/38,565.38 = 8,180.08/x
  3. Step 3: Cross multiply
    25,710.30x = 38,565.38 × 8,180.08
  4. Step 4: Simplify right side
    25,710.30x = 315,467,817.67
  5. Step 5: Solve for x
    x = 315,467,817.67/25,710.30
  6. Step 6: Final answer
    x = 12,270.09

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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.