Home / 21,403.08-32,104.52-5,820.66

Finding the Fourth Proportional to 21,403.08, 32,104.52 and 5,820.66

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Solution

The fourth proportional to 21,403.08, 32,104.52 and 5,820.66 is: 8,730.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,403.08 : 32,104.52 = 5,820.66 : x
  2. Step 2: Convert to fraction form
    21,403.08/32,104.52 = 5,820.66/x
  3. Step 3: Cross multiply
    21,403.08x = 32,104.52 × 5,820.66
  4. Step 4: Simplify right side
    21,403.08x = 186,869,495.38
  5. Step 5: Solve for x
    x = 186,869,495.38/21,403.08
  6. Step 6: Final answer
    x = 8,730.96

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1.5x scale

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.