Home / 28,615.75-39,492.17-16,042.93

Finding the Fourth Proportional to 28,615.75, 39,492.17 and 16,042.93

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Solution

The fourth proportional to 28,615.75, 39,492.17 and 16,042.93 is: 22,140.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,615.75 : 39,492.17 = 16,042.93 : x
  2. Step 2: Convert to fraction form
    28,615.75/39,492.17 = 16,042.93/x
  3. Step 3: Cross multiply
    28,615.75x = 39,492.17 × 16,042.93
  4. Step 4: Simplify right side
    28,615.75x = 633,570,118.86
  5. Step 5: Solve for x
    x = 633,570,118.86/28,615.75
  6. Step 6: Final answer
    x = 22,140.61

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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.