Home / 52,630.98-72,631.26-28,757.65

Finding the Fourth Proportional to 52,630.98, 72,631.26 and 28,757.65

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Solution

The fourth proportional to 52,630.98, 72,631.26 and 28,757.65 is: 39,685.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,630.98 : 72,631.26 = 28,757.65 : x
  2. Step 2: Convert to fraction form
    52,630.98/72,631.26 = 28,757.65/x
  3. Step 3: Cross multiply
    52,630.98x = 72,631.26 × 28,757.65
  4. Step 4: Simplify right side
    52,630.98x = 2,088,704,444.93
  5. Step 5: Solve for x
    x = 2,088,704,444.93/52,630.98
  6. Step 6: Final answer
    x = 39,685.84

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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.