Home / 20,541.88-28,348.20-12,050.50

Finding the Fourth Proportional to 20,541.88, 28,348.20 and 12,050.50

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Solution

The fourth proportional to 20,541.88, 28,348.20 and 12,050.50 is: 16,629.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,541.88 : 28,348.20 = 12,050.50 : x
  2. Step 2: Convert to fraction form
    20,541.88/28,348.20 = 12,050.50/x
  3. Step 3: Cross multiply
    20,541.88x = 28,348.20 × 12,050.50
  4. Step 4: Simplify right side
    20,541.88x = 341,609,984.10
  5. Step 5: Solve for x
    x = 341,609,984.10/20,541.88
  6. Step 6: Final answer
    x = 16,629.93

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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.