Home / 28,690.61-43,026.24-10,917.05

Finding the Fourth Proportional to 28,690.61, 43,026.24 and 10,917.05

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Solution

The fourth proportional to 28,690.61, 43,026.24 and 10,917.05 is: 16,371.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,690.61 : 43,026.24 = 10,917.05 : x
  2. Step 2: Convert to fraction form
    28,690.61/43,026.24 = 10,917.05/x
  3. Step 3: Cross multiply
    28,690.61x = 43,026.24 × 10,917.05
  4. Step 4: Simplify right side
    28,690.61x = 469,719,613.39
  5. Step 5: Solve for x
    x = 469,719,613.39/28,690.61
  6. Step 6: Final answer
    x = 16,371.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.