Home / 26,401.91-39,602.88-10,830.47

Finding the Fourth Proportional to 26,401.91, 39,602.88 and 10,830.47

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Solution

The fourth proportional to 26,401.91, 39,602.88 and 10,830.47 is: 16,245.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,401.91 : 39,602.88 = 10,830.47 : x
  2. Step 2: Convert to fraction form
    26,401.91/39,602.88 = 10,830.47/x
  3. Step 3: Cross multiply
    26,401.91x = 39,602.88 × 10,830.47
  4. Step 4: Simplify right side
    26,401.91x = 428,917,605.74
  5. Step 5: Solve for x
    x = 428,917,605.74/26,401.91
  6. Step 6: Final answer
    x = 16,245.71

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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.