Home / 28,338.75-42,449.78-16,623.72

Finding the Fourth Proportional to 28,338.75, 42,449.78 and 16,623.72

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Solution

The fourth proportional to 28,338.75, 42,449.78 and 16,623.72 is: 24,901.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,338.75 : 42,449.78 = 16,623.72 : x
  2. Step 2: Convert to fraction form
    28,338.75/42,449.78 = 16,623.72/x
  3. Step 3: Cross multiply
    28,338.75x = 42,449.78 × 16,623.72
  4. Step 4: Simplify right side
    28,338.75x = 705,673,256.78
  5. Step 5: Solve for x
    x = 705,673,256.78/28,338.75
  6. Step 6: Final answer
    x = 24,901.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.