Home / 26,078.73-35,988.45-14,142.09

Finding the Fourth Proportional to 26,078.73, 35,988.45 and 14,142.09

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Solution

The fourth proportional to 26,078.73, 35,988.45 and 14,142.09 is: 19,515.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,078.73 : 35,988.45 = 14,142.09 : x
  2. Step 2: Convert to fraction form
    26,078.73/35,988.45 = 14,142.09/x
  3. Step 3: Cross multiply
    26,078.73x = 35,988.45 × 14,142.09
  4. Step 4: Simplify right side
    26,078.73x = 508,951,898.86
  5. Step 5: Solve for x
    x = 508,951,898.86/26,078.73
  6. Step 6: Final answer
    x = 19,515.98

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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.