Home / 26,320.84-36,318.18-15,709.84

Finding the Fourth Proportional to 26,320.84, 36,318.18 and 15,709.84

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Solution

The fourth proportional to 26,320.84, 36,318.18 and 15,709.84 is: 21,676.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,320.84 : 36,318.18 = 15,709.84 : x
  2. Step 2: Convert to fraction form
    26,320.84/36,318.18 = 15,709.84/x
  3. Step 3: Cross multiply
    26,320.84x = 36,318.18 × 15,709.84
  4. Step 4: Simplify right side
    26,320.84x = 570,552,796.89
  5. Step 5: Solve for x
    x = 570,552,796.89/26,320.84
  6. Step 6: Final answer
    x = 21,676.85

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1.5x scale

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.