Home / 28,968.76-39,980.82-16,393.24

Finding the Fourth Proportional to 28,968.76, 39,980.82 and 16,393.24

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Solution

The fourth proportional to 28,968.76, 39,980.82 and 16,393.24 is: 22,624.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,968.76 : 39,980.82 = 16,393.24 : x
  2. Step 2: Convert to fraction form
    28,968.76/39,980.82 = 16,393.24/x
  3. Step 3: Cross multiply
    28,968.76x = 39,980.82 × 16,393.24
  4. Step 4: Simplify right side
    28,968.76x = 655,415,177.66
  5. Step 5: Solve for x
    x = 655,415,177.66/28,968.76
  6. Step 6: Final answer
    x = 22,624.90

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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.