Home / 21,528.17-32,292.21-5,945.75

Finding the Fourth Proportional to 21,528.17, 32,292.21 and 5,945.75

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Solution

The fourth proportional to 21,528.17, 32,292.21 and 5,945.75 is: 8,918.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,528.17 : 32,292.21 = 5,945.75 : x
  2. Step 2: Convert to fraction form
    21,528.17/32,292.21 = 5,945.75/x
  3. Step 3: Cross multiply
    21,528.17x = 32,292.21 × 5,945.75
  4. Step 4: Simplify right side
    21,528.17x = 192,001,407.61
  5. Step 5: Solve for x
    x = 192,001,407.61/21,528.17
  6. Step 6: Final answer
    x = 8,918.61

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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.