Home / 28,502.92-39,333.22-15,927.67

Finding the Fourth Proportional to 28,502.92, 39,333.22 and 15,927.67

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Solution

The fourth proportional to 28,502.92, 39,333.22 and 15,927.67 is: 21,979.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,502.92 : 39,333.22 = 15,927.67 : x
  2. Step 2: Convert to fraction form
    28,502.92/39,333.22 = 15,927.67/x
  3. Step 3: Cross multiply
    28,502.92x = 39,333.22 × 15,927.67
  4. Step 4: Simplify right side
    28,502.92x = 626,486,548.20
  5. Step 5: Solve for x
    x = 626,486,548.20/28,502.92
  6. Step 6: Final answer
    x = 21,979.73

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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.