Home / 28,226.60-42,339.90-16,416.80

Finding the Fourth Proportional to 28,226.60, 42,339.90 and 16,416.80

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Solution

The fourth proportional to 28,226.60, 42,339.90 and 16,416.80 is: 24,625.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,226.60 : 42,339.90 = 16,416.80 : x
  2. Step 2: Convert to fraction form
    28,226.60/42,339.90 = 16,416.80/x
  3. Step 3: Cross multiply
    28,226.60x = 42,339.90 × 16,416.80
  4. Step 4: Simplify right side
    28,226.60x = 695,085,670.32
  5. Step 5: Solve for x
    x = 695,085,670.32/28,226.60
  6. Step 6: Final answer
    x = 24,625.20

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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.