Home / 20,532.60-30,779.70-16,087.80

Finding the Fourth Proportional to 20,532.60, 30,779.70 and 16,087.80

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Solution

The fourth proportional to 20,532.60, 30,779.70 and 16,087.80 is: 24,116.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,532.60 : 30,779.70 = 16,087.80 : x
  2. Step 2: Convert to fraction form
    20,532.60/30,779.70 = 16,087.80/x
  3. Step 3: Cross multiply
    20,532.60x = 30,779.70 × 16,087.80
  4. Step 4: Simplify right side
    20,532.60x = 495,177,657.66
  5. Step 5: Solve for x
    x = 495,177,657.66/20,532.60
  6. Step 6: Final answer
    x = 24,116.66

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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.