Home / 28,168.92-38,875.82-15,593.67

Finding the Fourth Proportional to 28,168.92, 38,875.82 and 15,593.67

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Solution

The fourth proportional to 28,168.92, 38,875.82 and 15,593.67 is: 21,520.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,168.92 : 38,875.82 = 15,593.67 : x
  2. Step 2: Convert to fraction form
    28,168.92/38,875.82 = 15,593.67/x
  3. Step 3: Cross multiply
    28,168.92x = 38,875.82 × 15,593.67
  4. Step 4: Simplify right side
    28,168.92x = 606,216,630.09
  5. Step 5: Solve for x
    x = 606,216,630.09/28,168.92
  6. Step 6: Final answer
    x = 21,520.76

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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.