Home / 28,069.58-38,741.02-16,739.84

Finding the Fourth Proportional to 28,069.58, 38,741.02 and 16,739.84

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Solution

The fourth proportional to 28,069.58, 38,741.02 and 16,739.84 is: 23,103.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,069.58 : 38,741.02 = 16,739.84 : x
  2. Step 2: Convert to fraction form
    28,069.58/38,741.02 = 16,739.84/x
  3. Step 3: Cross multiply
    28,069.58x = 38,741.02 × 16,739.84
  4. Step 4: Simplify right side
    28,069.58x = 648,518,531.24
  5. Step 5: Solve for x
    x = 648,518,531.24/28,069.58
  6. Step 6: Final answer
    x = 23,103.96

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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.