Home / 21,437.04-32,158.80-7,584.96

Finding the Fourth Proportional to 21,437.04, 32,158.80 and 7,584.96

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Solution

The fourth proportional to 21,437.04, 32,158.80 and 7,584.96 is: 11,378.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,437.04 : 32,158.80 = 7,584.96 : x
  2. Step 2: Convert to fraction form
    21,437.04/32,158.80 = 7,584.96/x
  3. Step 3: Cross multiply
    21,437.04x = 32,158.80 × 7,584.96
  4. Step 4: Simplify right side
    21,437.04x = 243,923,211.65
  5. Step 5: Solve for x
    x = 243,923,211.65/21,437.04
  6. Step 6: Final answer
    x = 11,378.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.