Home / 52,784.28-72,842.22-28,911.96

Finding the Fourth Proportional to 52,784.28, 72,842.22 and 28,911.96

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Solution

The fourth proportional to 52,784.28, 72,842.22 and 28,911.96 is: 39,898.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,784.28 : 72,842.22 = 28,911.96 : x
  2. Step 2: Convert to fraction form
    52,784.28/72,842.22 = 28,911.96/x
  3. Step 3: Cross multiply
    52,784.28x = 72,842.22 × 28,911.96
  4. Step 4: Simplify right side
    52,784.28x = 2,106,011,350.95
  5. Step 5: Solve for x
    x = 2,106,011,350.95/52,784.28
  6. Step 6: Final answer
    x = 39,898.46

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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.