Home / 47,392.20-65,409.84-28,273.32

Finding the Fourth Proportional to 47,392.20, 65,409.84 and 28,273.32

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Solution

The fourth proportional to 47,392.20, 65,409.84 and 28,273.32 is: 39,022.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,392.20 : 65,409.84 = 28,273.32 : x
  2. Step 2: Convert to fraction form
    47,392.20/65,409.84 = 28,273.32/x
  3. Step 3: Cross multiply
    47,392.20x = 65,409.84 × 28,273.32
  4. Step 4: Simplify right side
    47,392.20x = 1,849,353,337.47
  5. Step 5: Solve for x
    x = 1,849,353,337.47/47,392.20
  6. Step 6: Final answer
    x = 39,022.31

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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.