Home / 27,421.67-41,127.29-13,367.57

Finding the Fourth Proportional to 27,421.67, 41,127.29 and 13,367.57

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Solution

The fourth proportional to 27,421.67, 41,127.29 and 13,367.57 is: 20,048.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,421.67 : 41,127.29 = 13,367.57 : x
  2. Step 2: Convert to fraction form
    27,421.67/41,127.29 = 13,367.57/x
  3. Step 3: Cross multiply
    27,421.67x = 41,127.29 × 13,367.57
  4. Step 4: Simplify right side
    27,421.67x = 549,771,655.51
  5. Step 5: Solve for x
    x = 549,771,655.51/27,421.67
  6. Step 6: Final answer
    x = 20,048.81

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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.