Home / 21,368.88-32,064.26-9,680.58

Finding the Fourth Proportional to 21,368.88, 32,064.26 and 9,680.58

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Solution

The fourth proportional to 21,368.88, 32,064.26 and 9,680.58 is: 14,525.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,368.88 : 32,064.26 = 9,680.58 : x
  2. Step 2: Convert to fraction form
    21,368.88/32,064.26 = 9,680.58/x
  3. Step 3: Cross multiply
    21,368.88x = 32,064.26 × 9,680.58
  4. Step 4: Simplify right side
    21,368.88x = 310,400,585.67
  5. Step 5: Solve for x
    x = 310,400,585.67/21,368.88
  6. Step 6: Final answer
    x = 14,525.82

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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.