Home / 21,583.21-32,377.65-7,543.48

Finding the Fourth Proportional to 21,583.21, 32,377.65 and 7,543.48

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Solution

The fourth proportional to 21,583.21, 32,377.65 and 7,543.48 is: 11,316.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,583.21 : 32,377.65 = 7,543.48 : x
  2. Step 2: Convert to fraction form
    21,583.21/32,377.65 = 7,543.48/x
  3. Step 3: Cross multiply
    21,583.21x = 32,377.65 × 7,543.48
  4. Step 4: Simplify right side
    21,583.21x = 244,240,155.22
  5. Step 5: Solve for x
    x = 244,240,155.22/21,583.21
  6. Step 6: Final answer
    x = 11,316.21

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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.