Home / 28,615.04-39,493.44-16,042.88

Finding the Fourth Proportional to 28,615.04, 39,493.44 and 16,042.88

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Solution

The fourth proportional to 28,615.04, 39,493.44 and 16,042.88 is: 22,141.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,615.04 : 39,493.44 = 16,042.88 : x
  2. Step 2: Convert to fraction form
    28,615.04/39,493.44 = 16,042.88/x
  3. Step 3: Cross multiply
    28,615.04x = 39,493.44 × 16,042.88
  4. Step 4: Simplify right side
    28,615.04x = 633,588,518.71
  5. Step 5: Solve for x
    x = 633,588,518.71/28,615.04
  6. Step 6: Final answer
    x = 22,141.80

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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.