Home / 28,025.80-42,038.70-16,199.80

Finding the Fourth Proportional to 28,025.80, 42,038.70 and 16,199.80

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Solution

The fourth proportional to 28,025.80, 42,038.70 and 16,199.80 is: 24,299.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,025.80 : 42,038.70 = 16,199.80 : x
  2. Step 2: Convert to fraction form
    28,025.80/42,038.70 = 16,199.80/x
  3. Step 3: Cross multiply
    28,025.80x = 42,038.70 × 16,199.80
  4. Step 4: Simplify right side
    28,025.80x = 681,018,532.26
  5. Step 5: Solve for x
    x = 681,018,532.26/28,025.80
  6. Step 6: Final answer
    x = 24,299.70

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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.