Home / 21,588.84-32,387.25-8,440.38

Finding the Fourth Proportional to 21,588.84, 32,387.25 and 8,440.38

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Solution

The fourth proportional to 21,588.84, 32,387.25 and 8,440.38 is: 12,662.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,588.84 : 32,387.25 = 8,440.38 : x
  2. Step 2: Convert to fraction form
    21,588.84/32,387.25 = 8,440.38/x
  3. Step 3: Cross multiply
    21,588.84x = 32,387.25 × 8,440.38
  4. Step 4: Simplify right side
    21,588.84x = 273,360,697.16
  5. Step 5: Solve for x
    x = 273,360,697.16/21,588.84
  6. Step 6: Final answer
    x = 12,662.13

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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.