Home / 28,875.04-39,847.84-16,938.56

Finding the Fourth Proportional to 28,875.04, 39,847.84 and 16,938.56

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Solution

The fourth proportional to 28,875.04, 39,847.84 and 16,938.56 is: 23,375.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,875.04 : 39,847.84 = 16,938.56 : x
  2. Step 2: Convert to fraction form
    28,875.04/39,847.84 = 16,938.56/x
  3. Step 3: Cross multiply
    28,875.04x = 39,847.84 × 16,938.56
  4. Step 4: Simplify right side
    28,875.04x = 674,965,028.71
  5. Step 5: Solve for x
    x = 674,965,028.71/28,875.04
  6. Step 6: Final answer
    x = 23,375.38

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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.