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Finding the Fourth Proportional to 27,885.84, 41,828.82 and 19,602.87

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Solution

The fourth proportional to 27,885.84, 41,828.82 and 19,602.87 is: 29,404.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,885.84 : 41,828.82 = 19,602.87 : x
  2. Step 2: Convert to fraction form
    27,885.84/41,828.82 = 19,602.87/x
  3. Step 3: Cross multiply
    27,885.84x = 41,828.82 × 19,602.87
  4. Step 4: Simplify right side
    27,885.84x = 819,964,920.71
  5. Step 5: Solve for x
    x = 819,964,920.71/27,885.84
  6. Step 6: Final answer
    x = 29,404.35

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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.