Home / 28,532.22-39,374.16-15,956.94

Finding the Fourth Proportional to 28,532.22, 39,374.16 and 15,956.94

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Solution

The fourth proportional to 28,532.22, 39,374.16 and 15,956.94 is: 22,020.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,532.22 : 39,374.16 = 15,956.94 : x
  2. Step 2: Convert to fraction form
    28,532.22/39,374.16 = 15,956.94/x
  3. Step 3: Cross multiply
    28,532.22x = 39,374.16 × 15,956.94
  4. Step 4: Simplify right side
    28,532.22x = 628,291,108.67
  5. Step 5: Solve for x
    x = 628,291,108.67/28,532.22
  6. Step 6: Final answer
    x = 22,020.41

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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.