Home / 27,421.05-41,098.50-12,609.66

Finding the Fourth Proportional to 27,421.05, 41,098.50 and 12,609.66

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Solution

The fourth proportional to 27,421.05, 41,098.50 and 12,609.66 is: 18,899.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,421.05 : 41,098.50 = 12,609.66 : x
  2. Step 2: Convert to fraction form
    27,421.05/41,098.50 = 12,609.66/x
  3. Step 3: Cross multiply
    27,421.05x = 41,098.50 × 12,609.66
  4. Step 4: Simplify right side
    27,421.05x = 518,238,111.51
  5. Step 5: Solve for x
    x = 518,238,111.51/27,421.05
  6. Step 6: Final answer
    x = 18,899.28

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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.