Home / 20,484.28-28,237.59-16,701.64

Finding the Fourth Proportional to 20,484.28, 28,237.59 and 16,701.64

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Solution

The fourth proportional to 20,484.28, 28,237.59 and 16,701.64 is: 23,023.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,484.28 : 28,237.59 = 16,701.64 : x
  2. Step 2: Convert to fraction form
    20,484.28/28,237.59 = 16,701.64/x
  3. Step 3: Cross multiply
    20,484.28x = 28,237.59 × 16,701.64
  4. Step 4: Simplify right side
    20,484.28x = 471,614,062.65
  5. Step 5: Solve for x
    x = 471,614,062.65/20,484.28
  6. Step 6: Final answer
    x = 23,023.22

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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.