Home / 28,946.77-43,397.48-11,429.71

Finding the Fourth Proportional to 28,946.77, 43,397.48 and 11,429.71

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Solution

The fourth proportional to 28,946.77, 43,397.48 and 11,429.71 is: 17,135.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,946.77 : 43,397.48 = 11,429.71 : x
  2. Step 2: Convert to fraction form
    28,946.77/43,397.48 = 11,429.71/x
  3. Step 3: Cross multiply
    28,946.77x = 43,397.48 × 11,429.71
  4. Step 4: Simplify right side
    28,946.77x = 496,020,611.13
  5. Step 5: Solve for x
    x = 496,020,611.13/28,946.77
  6. Step 6: Final answer
    x = 17,135.61

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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.