Home / 27,135.85-40,710.75-10,491.55

Finding the Fourth Proportional to 27,135.85, 40,710.75 and 10,491.55

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Solution

The fourth proportional to 27,135.85, 40,710.75 and 10,491.55 is: 15,740.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,135.85 : 40,710.75 = 10,491.55 : x
  2. Step 2: Convert to fraction form
    27,135.85/40,710.75 = 10,491.55/x
  3. Step 3: Cross multiply
    27,135.85x = 40,710.75 × 10,491.55
  4. Step 4: Simplify right side
    27,135.85x = 427,118,869.16
  5. Step 5: Solve for x
    x = 427,118,869.16/27,135.85
  6. Step 6: Final answer
    x = 15,740.02

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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.