Home / 28,929.64-43,397.88-10,205.77

Finding the Fourth Proportional to 28,929.64, 43,397.88 and 10,205.77

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Solution

The fourth proportional to 28,929.64, 43,397.88 and 10,205.77 is: 15,309.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,929.64 : 43,397.88 = 10,205.77 : x
  2. Step 2: Convert to fraction form
    28,929.64/43,397.88 = 10,205.77/x
  3. Step 3: Cross multiply
    28,929.64x = 43,397.88 × 10,205.77
  4. Step 4: Simplify right side
    28,929.64x = 442,908,781.77
  5. Step 5: Solve for x
    x = 442,908,781.77/28,929.64
  6. Step 6: Final answer
    x = 15,309.86

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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.