Home / 28,894.91-43,340.20-10,426.91

Finding the Fourth Proportional to 28,894.91, 43,340.20 and 10,426.91

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Solution

The fourth proportional to 28,894.91, 43,340.20 and 10,426.91 is: 15,639.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,894.91 : 43,340.20 = 10,426.91 : x
  2. Step 2: Convert to fraction form
    28,894.91/43,340.20 = 10,426.91/x
  3. Step 3: Cross multiply
    28,894.91x = 43,340.20 × 10,426.91
  4. Step 4: Simplify right side
    28,894.91x = 451,904,364.78
  5. Step 5: Solve for x
    x = 451,904,364.78/28,894.91
  6. Step 6: Final answer
    x = 15,639.58

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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.