Home / 28,746.27-43,111.53-18,200.40

Finding the Fourth Proportional to 28,746.27, 43,111.53 and 18,200.40

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Solution

The fourth proportional to 28,746.27, 43,111.53 and 18,200.40 is: 27,295.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,746.27 : 43,111.53 = 18,200.40 : x
  2. Step 2: Convert to fraction form
    28,746.27/43,111.53 = 18,200.40/x
  3. Step 3: Cross multiply
    28,746.27x = 43,111.53 × 18,200.40
  4. Step 4: Simplify right side
    28,746.27x = 784,647,090.61
  5. Step 5: Solve for x
    x = 784,647,090.61/28,746.27
  6. Step 6: Final answer
    x = 27,295.61

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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.