Home / 20,733.90-28,598.19-12,773.58

Finding the Fourth Proportional to 20,733.90, 28,598.19 and 12,773.58

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Solution

The fourth proportional to 20,733.90, 28,598.19 and 12,773.58 is: 17,618.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733.90 : 28,598.19 = 12,773.58 : x
  2. Step 2: Convert to fraction form
    20,733.90/28,598.19 = 12,773.58/x
  3. Step 3: Cross multiply
    20,733.90x = 28,598.19 × 12,773.58
  4. Step 4: Simplify right side
    20,733.90x = 365,301,267.82
  5. Step 5: Solve for x
    x = 365,301,267.82/20,733.90
  6. Step 6: Final answer
    x = 17,618.55

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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.