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Finding the Fourth Proportional to 27,384.40, 41,080.65 and 8,666.11

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Solution

The fourth proportional to 27,384.40, 41,080.65 and 8,666.11 is: 13,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,384.40 : 41,080.65 = 8,666.11 : x
  2. Step 2: Convert to fraction form
    27,384.40/41,080.65 = 8,666.11/x
  3. Step 3: Cross multiply
    27,384.40x = 41,080.65 × 8,666.11
  4. Step 4: Simplify right side
    27,384.40x = 356,009,431.77
  5. Step 5: Solve for x
    x = 356,009,431.77/27,384.40
  6. Step 6: Final answer
    x = 13,000.45

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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.