Home / 26,720.28-36,872.82-14,783.51

Finding the Fourth Proportional to 26,720.28, 36,872.82 and 14,783.51

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Solution

The fourth proportional to 26,720.28, 36,872.82 and 14,783.51 is: 20,400.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,720.28 : 36,872.82 = 14,783.51 : x
  2. Step 2: Convert to fraction form
    26,720.28/36,872.82 = 14,783.51/x
  3. Step 3: Cross multiply
    26,720.28x = 36,872.82 × 14,783.51
  4. Step 4: Simplify right side
    26,720.28x = 545,109,795.38
  5. Step 5: Solve for x
    x = 545,109,795.38/26,720.28
  6. Step 6: Final answer
    x = 20,400.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.