Home / 28,558.78-42,876.90-16,087.48

Finding the Fourth Proportional to 28,558.78, 42,876.90 and 16,087.48

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Solution

The fourth proportional to 28,558.78, 42,876.90 and 16,087.48 is: 24,153.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,558.78 : 42,876.90 = 16,087.48 : x
  2. Step 2: Convert to fraction form
    28,558.78/42,876.90 = 16,087.48/x
  3. Step 3: Cross multiply
    28,558.78x = 42,876.90 × 16,087.48
  4. Step 4: Simplify right side
    28,558.78x = 689,781,271.21
  5. Step 5: Solve for x
    x = 689,781,271.21/28,558.78
  6. Step 6: Final answer
    x = 24,153.04

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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.