Home / 27,423.08-41,126.10-9,890.63

Finding the Fourth Proportional to 27,423.08, 41,126.10 and 9,890.63

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Solution

The fourth proportional to 27,423.08, 41,126.10 and 9,890.63 is: 14,832.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,423.08 : 41,126.10 = 9,890.63 : x
  2. Step 2: Convert to fraction form
    27,423.08/41,126.10 = 9,890.63/x
  3. Step 3: Cross multiply
    27,423.08x = 41,126.10 × 9,890.63
  4. Step 4: Simplify right side
    27,423.08x = 406,762,832.81
  5. Step 5: Solve for x
    x = 406,762,832.81/27,423.08
  6. Step 6: Final answer
    x = 14,832.87

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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.