Home / 21,818.16-32,727.24-10,125

Finding the Fourth Proportional to 21,818.16, 32,727.24 and 10,125

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Solution

The fourth proportional to 21,818.16, 32,727.24 and 10,125 is: 15,187.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,818.16 : 32,727.24 = 10,125 : x
  2. Step 2: Convert to fraction form
    21,818.16/32,727.24 = 10,125/x
  3. Step 3: Cross multiply
    21,818.16x = 32,727.24 × 10,125
  4. Step 4: Simplify right side
    21,818.16x = 331,363,305
  5. Step 5: Solve for x
    x = 331,363,305/21,818.16
  6. Step 6: Final answer
    x = 15,187.50

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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.