Home / 20,497.91-30,746.87-15,824.75

Finding the Fourth Proportional to 20,497.91, 30,746.87 and 15,824.75

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Solution

The fourth proportional to 20,497.91, 30,746.87 and 15,824.75 is: 23,737.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,497.91 : 30,746.87 = 15,824.75 : x
  2. Step 2: Convert to fraction form
    20,497.91/30,746.87 = 15,824.75/x
  3. Step 3: Cross multiply
    20,497.91x = 30,746.87 × 15,824.75
  4. Step 4: Simplify right side
    20,497.91x = 486,561,619.48
  5. Step 5: Solve for x
    x = 486,561,619.48/20,497.91
  6. Step 6: Final answer
    x = 23,737.13

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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.