Home / 28,785.05-43,097.85-14,714.79

Finding the Fourth Proportional to 28,785.05, 43,097.85 and 14,714.79

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Solution

The fourth proportional to 28,785.05, 43,097.85 and 14,714.79 is: 22,031.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,785.05 : 43,097.85 = 14,714.79 : x
  2. Step 2: Convert to fraction form
    28,785.05/43,097.85 = 14,714.79/x
  3. Step 3: Cross multiply
    28,785.05x = 43,097.85 × 14,714.79
  4. Step 4: Simplify right side
    28,785.05x = 634,175,812.20
  5. Step 5: Solve for x
    x = 634,175,812.20/28,785.05
  6. Step 6: Final answer
    x = 22,031.43

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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.