Home / 26,521.60-39,788.58-9,881.68

Finding the Fourth Proportional to 26,521.60, 39,788.58 and 9,881.68

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Solution

The fourth proportional to 26,521.60, 39,788.58 and 9,881.68 is: 14,824.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,521.60 : 39,788.58 = 9,881.68 : x
  2. Step 2: Convert to fraction form
    26,521.60/39,788.58 = 9,881.68/x
  3. Step 3: Cross multiply
    26,521.60x = 39,788.58 × 9,881.68
  4. Step 4: Simplify right side
    26,521.60x = 393,178,015.21
  5. Step 5: Solve for x
    x = 393,178,015.21/26,521.60
  6. Step 6: Final answer
    x = 14,824.82

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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.