Home / 20,484.77-28,268.66-11,532.24

Finding the Fourth Proportional to 20,484.77, 28,268.66 and 11,532.24

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Solution

The fourth proportional to 20,484.77, 28,268.66 and 11,532.24 is: 15,914.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,484.77 : 28,268.66 = 11,532.24 : x
  2. Step 2: Convert to fraction form
    20,484.77/28,268.66 = 11,532.24/x
  3. Step 3: Cross multiply
    20,484.77x = 28,268.66 × 11,532.24
  4. Step 4: Simplify right side
    20,484.77x = 326,001,000.43
  5. Step 5: Solve for x
    x = 326,001,000.43/20,484.77
  6. Step 6: Final answer
    x = 15,914.31

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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.