Home / 35,388.73-53,115.91-17,870.86

Finding the Fourth Proportional to 35,388.73, 53,115.91 and 17,870.86

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Solution

The fourth proportional to 35,388.73, 53,115.91 and 17,870.86 is: 26,822.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,388.73 : 53,115.91 = 17,870.86 : x
  2. Step 2: Convert to fraction form
    35,388.73/53,115.91 = 17,870.86/x
  3. Step 3: Cross multiply
    35,388.73x = 53,115.91 × 17,870.86
  4. Step 4: Simplify right side
    35,388.73x = 949,226,813.92
  5. Step 5: Solve for x
    x = 949,226,813.92/35,388.73
  6. Step 6: Final answer
    x = 26,822.86

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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.