Home / 28,890.50-39,881.17-17,563.62

Finding the Fourth Proportional to 28,890.50, 39,881.17 and 17,563.62

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Solution

The fourth proportional to 28,890.50, 39,881.17 and 17,563.62 is: 24,245.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,890.50 : 39,881.17 = 17,563.62 : x
  2. Step 2: Convert to fraction form
    28,890.50/39,881.17 = 17,563.62/x
  3. Step 3: Cross multiply
    28,890.50x = 39,881.17 × 17,563.62
  4. Step 4: Simplify right side
    28,890.50x = 700,457,672.83
  5. Step 5: Solve for x
    x = 700,457,672.83/28,890.50
  6. Step 6: Final answer
    x = 24,245.26

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1.5x scale

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.