Home / 21,514.13-32,272.60-5,718.93

Finding the Fourth Proportional to 21,514.13, 32,272.60 and 5,718.93

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Solution

The fourth proportional to 21,514.13, 32,272.60 and 5,718.93 is: 8,578.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,514.13 : 32,272.60 = 5,718.93 : x
  2. Step 2: Convert to fraction form
    21,514.13/32,272.60 = 5,718.93/x
  3. Step 3: Cross multiply
    21,514.13x = 32,272.60 × 5,718.93
  4. Step 4: Simplify right side
    21,514.13x = 184,564,740.32
  5. Step 5: Solve for x
    x = 184,564,740.32/21,514.13
  6. Step 6: Final answer
    x = 8,578.77

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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.