Home / 26,651.36-36,774.72-15,318.68

Finding the Fourth Proportional to 26,651.36, 36,774.72 and 15,318.68

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Solution

The fourth proportional to 26,651.36, 36,774.72 and 15,318.68 is: 21,137.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,651.36 : 36,774.72 = 15,318.68 : x
  2. Step 2: Convert to fraction form
    26,651.36/36,774.72 = 15,318.68/x
  3. Step 3: Cross multiply
    26,651.36x = 36,774.72 × 15,318.68
  4. Step 4: Simplify right side
    26,651.36x = 563,340,167.77
  5. Step 5: Solve for x
    x = 563,340,167.77/26,651.36
  6. Step 6: Final answer
    x = 21,137.39

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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.