Home / 28,115.74-42,239.22-16,437.16

Finding the Fourth Proportional to 28,115.74, 42,239.22 and 16,437.16

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Solution

The fourth proportional to 28,115.74, 42,239.22 and 16,437.16 is: 24,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,115.74 : 42,239.22 = 16,437.16 : x
  2. Step 2: Convert to fraction form
    28,115.74/42,239.22 = 16,437.16/x
  3. Step 3: Cross multiply
    28,115.74x = 42,239.22 × 16,437.16
  4. Step 4: Simplify right side
    28,115.74x = 694,292,817.42
  5. Step 5: Solve for x
    x = 694,292,817.42/28,115.74
  6. Step 6: Final answer
    x = 24,694.10

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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.