Home / 28,930.17-43,399.86-8,934.96

Finding the Fourth Proportional to 28,930.17, 43,399.86 and 8,934.96

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Solution

The fourth proportional to 28,930.17, 43,399.86 and 8,934.96 is: 13,403.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,930.17 : 43,399.86 = 8,934.96 : x
  2. Step 2: Convert to fraction form
    28,930.17/43,399.86 = 8,934.96/x
  3. Step 3: Cross multiply
    28,930.17x = 43,399.86 × 8,934.96
  4. Step 4: Simplify right side
    28,930.17x = 387,776,013.11
  5. Step 5: Solve for x
    x = 387,776,013.11/28,930.17
  6. Step 6: Final answer
    x = 13,403.86

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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.