Home / 34,709.12-47,853.84-28,329.16

Finding the Fourth Proportional to 34,709.12, 47,853.84 and 28,329.16

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Solution

The fourth proportional to 34,709.12, 47,853.84 and 28,329.16 is: 39,057.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,709.12 : 47,853.84 = 28,329.16 : x
  2. Step 2: Convert to fraction form
    34,709.12/47,853.84 = 28,329.16/x
  3. Step 3: Cross multiply
    34,709.12x = 47,853.84 × 28,329.16
  4. Step 4: Simplify right side
    34,709.12x = 1,355,659,089.97
  5. Step 5: Solve for x
    x = 1,355,659,089.97/34,709.12
  6. Step 6: Final answer
    x = 39,057.72

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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.