Home / 26,483.11-39,705.40-12,435.90

Finding the Fourth Proportional to 26,483.11, 39,705.40 and 12,435.90

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Solution

The fourth proportional to 26,483.11, 39,705.40 and 12,435.90 is: 18,644.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,483.11 : 39,705.40 = 12,435.90 : x
  2. Step 2: Convert to fraction form
    26,483.11/39,705.40 = 12,435.90/x
  3. Step 3: Cross multiply
    26,483.11x = 39,705.40 × 12,435.90
  4. Step 4: Simplify right side
    26,483.11x = 493,772,250.51
  5. Step 5: Solve for x
    x = 493,772,250.51/26,483.11
  6. Step 6: Final answer
    x = 18,644.80

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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.