Home / 28,111.80-42,183.90-10,594.20

Finding the Fourth Proportional to 28,111.80, 42,183.90 and 10,594.20

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Solution

The fourth proportional to 28,111.80, 42,183.90 and 10,594.20 is: 15,897.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,111.80 : 42,183.90 = 10,594.20 : x
  2. Step 2: Convert to fraction form
    28,111.80/42,183.90 = 10,594.20/x
  3. Step 3: Cross multiply
    28,111.80x = 42,183.90 × 10,594.20
  4. Step 4: Simplify right side
    28,111.80x = 446,904,673.38
  5. Step 5: Solve for x
    x = 446,904,673.38/28,111.80
  6. Step 6: Final answer
    x = 15,897.41

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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.