Home / 28,064.52-38,727.42-16,746.84

Finding the Fourth Proportional to 28,064.52, 38,727.42 and 16,746.84

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Solution

The fourth proportional to 28,064.52, 38,727.42 and 16,746.84 is: 23,109.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,064.52 : 38,727.42 = 16,746.84 : x
  2. Step 2: Convert to fraction form
    28,064.52/38,727.42 = 16,746.84/x
  3. Step 3: Cross multiply
    28,064.52x = 38,727.42 × 16,746.84
  4. Step 4: Simplify right side
    28,064.52x = 648,561,906.35
  5. Step 5: Solve for x
    x = 648,561,906.35/28,064.52
  6. Step 6: Final answer
    x = 23,109.67

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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.