Home / 19,737.12-27,222.84-15,032.64

Finding the Fourth Proportional to 19,737.12, 27,222.84 and 15,032.64

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Solution

The fourth proportional to 19,737.12, 27,222.84 and 15,032.64 is: 20,734.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,737.12 : 27,222.84 = 15,032.64 : x
  2. Step 2: Convert to fraction form
    19,737.12/27,222.84 = 15,032.64/x
  3. Step 3: Cross multiply
    19,737.12x = 27,222.84 × 15,032.64
  4. Step 4: Simplify right side
    19,737.12x = 409,231,153.50
  5. Step 5: Solve for x
    x = 409,231,153.50/19,737.12
  6. Step 6: Final answer
    x = 20,734.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.