Home / 27,421.63-41,133.90-8,703.11

Finding the Fourth Proportional to 27,421.63, 41,133.90 and 8,703.11

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Solution

The fourth proportional to 27,421.63, 41,133.90 and 8,703.11 is: 13,055.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,421.63 : 41,133.90 = 8,703.11 : x
  2. Step 2: Convert to fraction form
    27,421.63/41,133.90 = 8,703.11/x
  3. Step 3: Cross multiply
    27,421.63x = 41,133.90 × 8,703.11
  4. Step 4: Simplify right side
    27,421.63x = 357,992,991.90
  5. Step 5: Solve for x
    x = 357,992,991.90/27,421.63
  6. Step 6: Final answer
    x = 13,055.13

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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.