Home / 21,640.18-32,460.27-5,224.18

Finding the Fourth Proportional to 21,640.18, 32,460.27 and 5,224.18

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Solution

The fourth proportional to 21,640.18, 32,460.27 and 5,224.18 is: 7,836.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,640.18 : 32,460.27 = 5,224.18 : x
  2. Step 2: Convert to fraction form
    21,640.18/32,460.27 = 5,224.18/x
  3. Step 3: Cross multiply
    21,640.18x = 32,460.27 × 5,224.18
  4. Step 4: Simplify right side
    21,640.18x = 169,578,293.33
  5. Step 5: Solve for x
    x = 169,578,293.33/21,640.18
  6. Step 6: Final answer
    x = 7,836.27

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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.