Home / 28,037.40-41,969.70-16,315.80

Finding the Fourth Proportional to 28,037.40, 41,969.70 and 16,315.80

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Solution

The fourth proportional to 28,037.40, 41,969.70 and 16,315.80 is: 24,423.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,037.40 : 41,969.70 = 16,315.80 : x
  2. Step 2: Convert to fraction form
    28,037.40/41,969.70 = 16,315.80/x
  3. Step 3: Cross multiply
    28,037.40x = 41,969.70 × 16,315.80
  4. Step 4: Simplify right side
    28,037.40x = 684,769,231.26
  5. Step 5: Solve for x
    x = 684,769,231.26/28,037.40
  6. Step 6: Final answer
    x = 24,423.42

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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.