Home / 27,415.28-41,068.10-12,603.90

Finding the Fourth Proportional to 27,415.28, 41,068.10 and 12,603.90

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Solution

The fourth proportional to 27,415.28, 41,068.10 and 12,603.90 is: 18,880.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,415.28 : 41,068.10 = 12,603.90 : x
  2. Step 2: Convert to fraction form
    27,415.28/41,068.10 = 12,603.90/x
  3. Step 3: Cross multiply
    27,415.28x = 41,068.10 × 12,603.90
  4. Step 4: Simplify right side
    27,415.28x = 517,618,225.59
  5. Step 5: Solve for x
    x = 517,618,225.59/27,415.28
  6. Step 6: Final answer
    x = 18,880.65

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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.