Home / 26,078.60-39,118-18,322.04

Finding the Fourth Proportional to 26,078.60, 39,118 and 18,322.04

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Solution

The fourth proportional to 26,078.60, 39,118 and 18,322.04 is: 27,483.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,078.60 : 39,118 = 18,322.04 : x
  2. Step 2: Convert to fraction form
    26,078.60/39,118 = 18,322.04/x
  3. Step 3: Cross multiply
    26,078.60x = 39,118 × 18,322.04
  4. Step 4: Simplify right side
    26,078.60x = 716,721,560.72
  5. Step 5: Solve for x
    x = 716,721,560.72/26,078.60
  6. Step 6: Final answer
    x = 27,483.13

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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.