Home / 23,345.90-35,017.99-12,820.85

Finding the Fourth Proportional to 23,345.90, 35,017.99 and 12,820.85

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Solution

The fourth proportional to 23,345.90, 35,017.99 and 12,820.85 is: 19,230.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,345.90 : 35,017.99 = 12,820.85 : x
  2. Step 2: Convert to fraction form
    23,345.90/35,017.99 = 12,820.85/x
  3. Step 3: Cross multiply
    23,345.90x = 35,017.99 × 12,820.85
  4. Step 4: Simplify right side
    23,345.90x = 448,960,321.27
  5. Step 5: Solve for x
    x = 448,960,321.27/23,345.90
  6. Step 6: Final answer
    x = 19,230.80

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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.