Home / 52,709.84-72,739.32-28,836.08

Finding the Fourth Proportional to 52,709.84, 72,739.32 and 28,836.08

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Solution

The fourth proportional to 52,709.84, 72,739.32 and 28,836.08 is: 39,793.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,709.84 : 72,739.32 = 28,836.08 : x
  2. Step 2: Convert to fraction form
    52,709.84/72,739.32 = 28,836.08/x
  3. Step 3: Cross multiply
    52,709.84x = 72,739.32 × 28,836.08
  4. Step 4: Simplify right side
    52,709.84x = 2,097,516,850.67
  5. Step 5: Solve for x
    x = 2,097,516,850.67/52,709.84
  6. Step 6: Final answer
    x = 39,793.65

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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.