Home / 26,160-39,257.28-12,310.08

Finding the Fourth Proportional to 26,160, 39,257.28 and 12,310.08

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Solution

The fourth proportional to 26,160, 39,257.28 and 12,310.08 is: 18,473.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,160 : 39,257.28 = 12,310.08 : x
  2. Step 2: Convert to fraction form
    26,160/39,257.28 = 12,310.08/x
  3. Step 3: Cross multiply
    26,160x = 39,257.28 × 12,310.08
  4. Step 4: Simplify right side
    26,160x = 483,260,257.38
  5. Step 5: Solve for x
    x = 483,260,257.38/26,160
  6. Step 6: Final answer
    x = 18,473.25

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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.