Home / 28,381.60-42,514.80-16,055.20

Finding the Fourth Proportional to 28,381.60, 42,514.80 and 16,055.20

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Solution

The fourth proportional to 28,381.60, 42,514.80 and 16,055.20 is: 24,050.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,381.60 : 42,514.80 = 16,055.20 : x
  2. Step 2: Convert to fraction form
    28,381.60/42,514.80 = 16,055.20/x
  3. Step 3: Cross multiply
    28,381.60x = 42,514.80 × 16,055.20
  4. Step 4: Simplify right side
    28,381.60x = 682,583,616.96
  5. Step 5: Solve for x
    x = 682,583,616.96/28,381.60
  6. Step 6: Final answer
    x = 24,050.22

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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.