Home / 21,576.64-32,377.92-9,095.90

Finding the Fourth Proportional to 21,576.64, 32,377.92 and 9,095.90

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Solution

The fourth proportional to 21,576.64, 32,377.92 and 9,095.90 is: 13,649.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,576.64 : 32,377.92 = 9,095.90 : x
  2. Step 2: Convert to fraction form
    21,576.64/32,377.92 = 9,095.90/x
  3. Step 3: Cross multiply
    21,576.64x = 32,377.92 × 9,095.90
  4. Step 4: Simplify right side
    21,576.64x = 294,506,322.53
  5. Step 5: Solve for x
    x = 294,506,322.53/21,576.64
  6. Step 6: Final answer
    x = 13,649.31

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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.