Home / 26,620.54-39,919.88-9,972

Finding the Fourth Proportional to 26,620.54, 39,919.88 and 9,972

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Solution

The fourth proportional to 26,620.54, 39,919.88 and 9,972 is: 14,953.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,620.54 : 39,919.88 = 9,972 : x
  2. Step 2: Convert to fraction form
    26,620.54/39,919.88 = 9,972/x
  3. Step 3: Cross multiply
    26,620.54x = 39,919.88 × 9,972
  4. Step 4: Simplify right side
    26,620.54x = 398,081,068.29
  5. Step 5: Solve for x
    x = 398,081,068.29/26,620.54
  6. Step 6: Final answer
    x = 14,953.91

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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.