Home / 21,415.75-32,125.24-6,626.16

Finding the Fourth Proportional to 21,415.75, 32,125.24 and 6,626.16

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Solution

The fourth proportional to 21,415.75, 32,125.24 and 6,626.16 is: 9,939.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,415.75 : 32,125.24 = 6,626.16 : x
  2. Step 2: Convert to fraction form
    21,415.75/32,125.24 = 6,626.16/x
  3. Step 3: Cross multiply
    21,415.75x = 32,125.24 × 6,626.16
  4. Step 4: Simplify right side
    21,415.75x = 212,866,988.56
  5. Step 5: Solve for x
    x = 212,866,988.56/21,415.75
  6. Step 6: Final answer
    x = 9,939.74

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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.