Home / 19,847.52-29,785.68-15,998.40

Finding the Fourth Proportional to 19,847.52, 29,785.68 and 15,998.40

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Solution

The fourth proportional to 19,847.52, 29,785.68 and 15,998.40 is: 24,009.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,847.52 : 29,785.68 = 15,998.40 : x
  2. Step 2: Convert to fraction form
    19,847.52/29,785.68 = 15,998.40/x
  3. Step 3: Cross multiply
    19,847.52x = 29,785.68 × 15,998.40
  4. Step 4: Simplify right side
    19,847.52x = 476,523,222.91
  5. Step 5: Solve for x
    x = 476,523,222.91/19,847.52
  6. Step 6: Final answer
    x = 24,009.21

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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.