Home / 28,260.93-39,003.20-18,061.36

Finding the Fourth Proportional to 28,260.93, 39,003.20 and 18,061.36

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Solution

The fourth proportional to 28,260.93, 39,003.20 and 18,061.36 is: 24,926.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,260.93 : 39,003.20 = 18,061.36 : x
  2. Step 2: Convert to fraction form
    28,260.93/39,003.20 = 18,061.36/x
  3. Step 3: Cross multiply
    28,260.93x = 39,003.20 × 18,061.36
  4. Step 4: Simplify right side
    28,260.93x = 704,450,836.35
  5. Step 5: Solve for x
    x = 704,450,836.35/28,260.93
  6. Step 6: Final answer
    x = 24,926.67

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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.