Home / 26,795.16-40,134.24-12,915

Finding the Fourth Proportional to 26,795.16, 40,134.24 and 12,915

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Solution

The fourth proportional to 26,795.16, 40,134.24 and 12,915 is: 19,344.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,795.16 : 40,134.24 = 12,915 : x
  2. Step 2: Convert to fraction form
    26,795.16/40,134.24 = 12,915/x
  3. Step 3: Cross multiply
    26,795.16x = 40,134.24 × 12,915
  4. Step 4: Simplify right side
    26,795.16x = 518,333,709.60
  5. Step 5: Solve for x
    x = 518,333,709.60/26,795.16
  6. Step 6: Final answer
    x = 19,344.30

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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.