Home / 52,631.98-72,632.64-28,758.65

Finding the Fourth Proportional to 52,631.98, 72,632.64 and 28,758.65

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Solution

The fourth proportional to 52,631.98, 72,632.64 and 28,758.65 is: 39,687.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,631.98 : 72,632.64 = 28,758.65 : x
  2. Step 2: Convert to fraction form
    52,631.98/72,632.64 = 28,758.65/x
  3. Step 3: Cross multiply
    52,631.98x = 72,632.64 × 28,758.65
  4. Step 4: Simplify right side
    52,631.98x = 2,088,816,672.34
  5. Step 5: Solve for x
    x = 2,088,816,672.34/52,631.98
  6. Step 6: Final answer
    x = 39,687.21

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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.