Home / 28,334.56-39,108.28-16,404.88

Finding the Fourth Proportional to 28,334.56, 39,108.28 and 16,404.88

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Solution

The fourth proportional to 28,334.56, 39,108.28 and 16,404.88 is: 22,642.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,334.56 : 39,108.28 = 16,404.88 : x
  2. Step 2: Convert to fraction form
    28,334.56/39,108.28 = 16,404.88/x
  3. Step 3: Cross multiply
    28,334.56x = 39,108.28 × 16,404.88
  4. Step 4: Simplify right side
    28,334.56x = 641,566,640.41
  5. Step 5: Solve for x
    x = 641,566,640.41/28,334.56
  6. Step 6: Final answer
    x = 22,642.55

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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.