Home / 21,397.65-32,104.07-9,550.34

Finding the Fourth Proportional to 21,397.65, 32,104.07 and 9,550.34

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Solution

The fourth proportional to 21,397.65, 32,104.07 and 9,550.34 is: 14,328.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,397.65 : 32,104.07 = 9,550.34 : x
  2. Step 2: Convert to fraction form
    21,397.65/32,104.07 = 9,550.34/x
  3. Step 3: Cross multiply
    21,397.65x = 32,104.07 × 9,550.34
  4. Step 4: Simplify right side
    21,397.65x = 306,604,852.21
  5. Step 5: Solve for x
    x = 306,604,852.21/21,397.65
  6. Step 6: Final answer
    x = 14,328.91

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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.