Home / 27,089.85-40,608.12-15,830.90

Finding the Fourth Proportional to 27,089.85, 40,608.12 and 15,830.90

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Solution

The fourth proportional to 27,089.85, 40,608.12 and 15,830.90 is: 23,730.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,089.85 : 40,608.12 = 15,830.90 : x
  2. Step 2: Convert to fraction form
    27,089.85/40,608.12 = 15,830.90/x
  3. Step 3: Cross multiply
    27,089.85x = 40,608.12 × 15,830.90
  4. Step 4: Simplify right side
    27,089.85x = 642,863,086.91
  5. Step 5: Solve for x
    x = 642,863,086.91/27,089.85
  6. Step 6: Final answer
    x = 23,730.77

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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.