Home / 21,495.15-32,232.15-12,627.75

Finding the Fourth Proportional to 21,495.15, 32,232.15 and 12,627.75

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Solution

The fourth proportional to 21,495.15, 32,232.15 and 12,627.75 is: 18,935.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,495.15 : 32,232.15 = 12,627.75 : x
  2. Step 2: Convert to fraction form
    21,495.15/32,232.15 = 12,627.75/x
  3. Step 3: Cross multiply
    21,495.15x = 32,232.15 × 12,627.75
  4. Step 4: Simplify right side
    21,495.15x = 407,019,532.16
  5. Step 5: Solve for x
    x = 407,019,532.16/21,495.15
  6. Step 6: Final answer
    x = 18,935.41

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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.