Home / 20,256.27-27,962.18-12,301.05

Finding the Fourth Proportional to 20,256.27, 27,962.18 and 12,301.05

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Solution

The fourth proportional to 20,256.27, 27,962.18 and 12,301.05 is: 16,980.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,256.27 : 27,962.18 = 12,301.05 : x
  2. Step 2: Convert to fraction form
    20,256.27/27,962.18 = 12,301.05/x
  3. Step 3: Cross multiply
    20,256.27x = 27,962.18 × 12,301.05
  4. Step 4: Simplify right side
    20,256.27x = 343,964,174.29
  5. Step 5: Solve for x
    x = 343,964,174.29/20,256.27
  6. Step 6: Final answer
    x = 16,980.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.