Home / 27,207.82-40,824.29-12,421.27

Finding the Fourth Proportional to 27,207.82, 40,824.29 and 12,421.27

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Solution

The fourth proportional to 27,207.82, 40,824.29 and 12,421.27 is: 18,637.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,207.82 : 40,824.29 = 12,421.27 : x
  2. Step 2: Convert to fraction form
    27,207.82/40,824.29 = 12,421.27/x
  3. Step 3: Cross multiply
    27,207.82x = 40,824.29 × 12,421.27
  4. Step 4: Simplify right side
    27,207.82x = 507,089,528.65
  5. Step 5: Solve for x
    x = 507,089,528.65/27,207.82
  6. Step 6: Final answer
    x = 18,637.64

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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.