Home / 26,298.78-36,290.87-14,359.78

Finding the Fourth Proportional to 26,298.78, 36,290.87 and 14,359.78

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Solution

The fourth proportional to 26,298.78, 36,290.87 and 14,359.78 is: 19,815.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,298.78 : 36,290.87 = 14,359.78 : x
  2. Step 2: Convert to fraction form
    26,298.78/36,290.87 = 14,359.78/x
  3. Step 3: Cross multiply
    26,298.78x = 36,290.87 × 14,359.78
  4. Step 4: Simplify right side
    26,298.78x = 521,128,936.62
  5. Step 5: Solve for x
    x = 521,128,936.62/26,298.78
  6. Step 6: Final answer
    x = 19,815.71

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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.