Home / 27,937.81-41,934.26-20,521.45

Finding the Fourth Proportional to 27,937.81, 41,934.26 and 20,521.45

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Solution

The fourth proportional to 27,937.81, 41,934.26 and 20,521.45 is: 30,802.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,937.81 : 41,934.26 = 20,521.45 : x
  2. Step 2: Convert to fraction form
    27,937.81/41,934.26 = 20,521.45/x
  3. Step 3: Cross multiply
    27,937.81x = 41,934.26 × 20,521.45
  4. Step 4: Simplify right side
    27,937.81x = 860,551,819.88
  5. Step 5: Solve for x
    x = 860,551,819.88/27,937.81
  6. Step 6: Final answer
    x = 30,802.41

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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.