Home / 21,422.49-32,144.67-14,025.57

Finding the Fourth Proportional to 21,422.49, 32,144.67 and 14,025.57

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Solution

The fourth proportional to 21,422.49, 32,144.67 and 14,025.57 is: 21,045.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,422.49 : 32,144.67 = 14,025.57 : x
  2. Step 2: Convert to fraction form
    21,422.49/32,144.67 = 14,025.57/x
  3. Step 3: Cross multiply
    21,422.49x = 32,144.67 × 14,025.57
  4. Step 4: Simplify right side
    21,422.49x = 450,847,319.21
  5. Step 5: Solve for x
    x = 450,847,319.21/21,422.49
  6. Step 6: Final answer
    x = 21,045.51

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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.