Home / 28,330.50-42,476.58-15,859.13

Finding the Fourth Proportional to 28,330.50, 42,476.58 and 15,859.13

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Solution

The fourth proportional to 28,330.50, 42,476.58 and 15,859.13 is: 23,777.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,330.50 : 42,476.58 = 15,859.13 : x
  2. Step 2: Convert to fraction form
    28,330.50/42,476.58 = 15,859.13/x
  3. Step 3: Cross multiply
    28,330.50x = 42,476.58 × 15,859.13
  4. Step 4: Simplify right side
    28,330.50x = 673,641,524.88
  5. Step 5: Solve for x
    x = 673,641,524.88/28,330.50
  6. Step 6: Final answer
    x = 23,777.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.