Home / 28,688.76-39,593.88-16,113.48

Finding the Fourth Proportional to 28,688.76, 39,593.88 and 16,113.48

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Solution

The fourth proportional to 28,688.76, 39,593.88 and 16,113.48 is: 22,238.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,688.76 : 39,593.88 = 16,113.48 : x
  2. Step 2: Convert to fraction form
    28,688.76/39,593.88 = 16,113.48/x
  3. Step 3: Cross multiply
    28,688.76x = 39,593.88 × 16,113.48
  4. Step 4: Simplify right side
    28,688.76x = 637,995,193.50
  5. Step 5: Solve for x
    x = 637,995,193.50/28,688.76
  6. Step 6: Final answer
    x = 22,238.51

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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.