Home / 28,060.52-38,721.90-16,742.84

Finding the Fourth Proportional to 28,060.52, 38,721.90 and 16,742.84

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Solution

The fourth proportional to 28,060.52, 38,721.90 and 16,742.84 is: 23,104.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,060.52 : 38,721.90 = 16,742.84 : x
  2. Step 2: Convert to fraction form
    28,060.52/38,721.90 = 16,742.84/x
  3. Step 3: Cross multiply
    28,060.52x = 38,721.90 × 16,742.84
  4. Step 4: Simplify right side
    28,060.52x = 648,314,576.20
  5. Step 5: Solve for x
    x = 648,314,576.20/28,060.52
  6. Step 6: Final answer
    x = 23,104.15

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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.