Home / 28,615.24-39,488.90-16,039.99

Finding the Fourth Proportional to 28,615.24, 39,488.90 and 16,039.99

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Solution

The fourth proportional to 28,615.24, 39,488.90 and 16,039.99 is: 22,135.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,615.24 : 39,488.90 = 16,039.99 : x
  2. Step 2: Convert to fraction form
    28,615.24/39,488.90 = 16,039.99/x
  3. Step 3: Cross multiply
    28,615.24x = 39,488.90 × 16,039.99
  4. Step 4: Simplify right side
    28,615.24x = 633,401,363.67
  5. Step 5: Solve for x
    x = 633,401,363.67/28,615.24
  6. Step 6: Final answer
    x = 22,135.11

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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.