Home / 21,847.68-32,720.04-14,433.72

Finding the Fourth Proportional to 21,847.68, 32,720.04 and 14,433.72

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Solution

The fourth proportional to 21,847.68, 32,720.04 and 14,433.72 is: 21,616.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,847.68 : 32,720.04 = 14,433.72 : x
  2. Step 2: Convert to fraction form
    21,847.68/32,720.04 = 14,433.72/x
  3. Step 3: Cross multiply
    21,847.68x = 32,720.04 × 14,433.72
  4. Step 4: Simplify right side
    21,847.68x = 472,271,895.75
  5. Step 5: Solve for x
    x = 472,271,895.75/21,847.68
  6. Step 6: Final answer
    x = 21,616.57

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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.