Home / 21,402.15-32,095.25-7,358.21

Finding the Fourth Proportional to 21,402.15, 32,095.25 and 7,358.21

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Solution

The fourth proportional to 21,402.15, 32,095.25 and 7,358.21 is: 11,034.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,402.15 : 32,095.25 = 7,358.21 : x
  2. Step 2: Convert to fraction form
    21,402.15/32,095.25 = 7,358.21/x
  3. Step 3: Cross multiply
    21,402.15x = 32,095.25 × 7,358.21
  4. Step 4: Simplify right side
    21,402.15x = 236,163,392.24
  5. Step 5: Solve for x
    x = 236,163,392.24/21,402.15
  6. Step 6: Final answer
    x = 11,034.56

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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.