Home / 21,827.70-32,741.55-5,411.70

Finding the Fourth Proportional to 21,827.70, 32,741.55 and 5,411.70

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Solution

The fourth proportional to 21,827.70, 32,741.55 and 5,411.70 is: 8,117.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,827.70 : 32,741.55 = 5,411.70 : x
  2. Step 2: Convert to fraction form
    21,827.70/32,741.55 = 5,411.70/x
  3. Step 3: Cross multiply
    21,827.70x = 32,741.55 × 5,411.70
  4. Step 4: Simplify right side
    21,827.70x = 177,187,446.14
  5. Step 5: Solve for x
    x = 177,187,446.14/21,827.70
  6. Step 6: Final answer
    x = 8,117.55

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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.