Home / 28,953.90-39,951.23-17,019.68

Finding the Fourth Proportional to 28,953.90, 39,951.23 and 17,019.68

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Solution

The fourth proportional to 28,953.90, 39,951.23 and 17,019.68 is: 23,484.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,953.90 : 39,951.23 = 17,019.68 : x
  2. Step 2: Convert to fraction form
    28,953.90/39,951.23 = 17,019.68/x
  3. Step 3: Cross multiply
    28,953.90x = 39,951.23 × 17,019.68
  4. Step 4: Simplify right side
    28,953.90x = 679,956,865.35
  5. Step 5: Solve for x
    x = 679,956,865.35/28,953.90
  6. Step 6: Final answer
    x = 23,484.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.