Home / 27,390.18-41,086.08-21,461.52

Finding the Fourth Proportional to 27,390.18, 41,086.08 and 21,461.52

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Solution

The fourth proportional to 27,390.18, 41,086.08 and 21,461.52 is: 32,192.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,390.18 : 41,086.08 = 21,461.52 : x
  2. Step 2: Convert to fraction form
    27,390.18/41,086.08 = 21,461.52/x
  3. Step 3: Cross multiply
    27,390.18x = 41,086.08 × 21,461.52
  4. Step 4: Simplify right side
    27,390.18x = 881,769,727.64
  5. Step 5: Solve for x
    x = 881,769,727.64/27,390.18
  6. Step 6: Final answer
    x = 32,192.91

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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.