Home / 20,656.38-28,484.28-17,682.06

Finding the Fourth Proportional to 20,656.38, 28,484.28 and 17,682.06

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Solution

The fourth proportional to 20,656.38, 28,484.28 and 17,682.06 is: 24,382.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,656.38 : 28,484.28 = 17,682.06 : x
  2. Step 2: Convert to fraction form
    20,656.38/28,484.28 = 17,682.06/x
  3. Step 3: Cross multiply
    20,656.38x = 28,484.28 × 17,682.06
  4. Step 4: Simplify right side
    20,656.38x = 503,660,748.02
  5. Step 5: Solve for x
    x = 503,660,748.02/20,656.38
  6. Step 6: Final answer
    x = 24,382.82

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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.